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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
54.3
monetaryItemType
table: <entity> 54.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
69.3
monetaryItemType
table: <entity> 69.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
35.1
monetaryItemType
table: <entity> 35.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1359.4
monetaryItemType
table: <entity> 1359.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1408.0
monetaryItemType
table: <entity> 1408.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1269.9
monetaryItemType
table: <entity> 1269.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
13.5
monetaryItemType
table: <entity> 13.5 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
527.0
monetaryItemType
table: <entity> 527.0 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
4.3
monetaryItemType
table: <entity> 4.3 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
841.9
monetaryItemType
table: <entity> 841.9 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
505.4
monetaryItemType
table: <entity> 505.4 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1188.6
monetaryItemType
table: <entity> 1188.6 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
296.0
monetaryItemType
table: <entity> 296.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
278.5
monetaryItemType
table: <entity> 278.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
716.0
monetaryItemType
table: <entity> 716.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.5
monetaryItemType
table: <entity> 7.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.4
monetaryItemType
table: <entity> 7.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
6.8
monetaryItemType
table: <entity> 6.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
350.0
monetaryItemType
table: <entity> 350.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Mark-to-Market of Risk Management Contracts | — | 0.4 | ( 0.4 ) </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.4
monetaryItemType
table: <entity> 2.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.5
monetaryItemType
table: <entity> 1.5 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
0.6
monetaryItemType
table: <entity> 0.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
384.8
monetaryItemType
table: <entity> 384.8 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
749.6
monetaryItemType
table: <entity> 749.6 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
540.3
monetaryItemType
table: <entity> 540.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
10.5
monetaryItemType
table: <entity> 10.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.3
monetaryItemType
table: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash | ( 10.5 ) | 1.3 | 2.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.3
monetaryItemType
table: <entity> 2.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash | ( 10.5 ) | 1.3 | 2.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
34.1
monetaryItemType
table: <entity> 34.1 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
32.8
monetaryItemType
table: <entity> 32.8 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
30.5
monetaryItemType
table: <entity> 30.5 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
23.6
monetaryItemType
table: <entity> 23.6 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at End of Period | $ | 23.6 | $ | 34.1 | $ | 32.8 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
240.7
monetaryItemType
table: <entity> 240.7 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
225.6
monetaryItemType
table: <entity> 225.6 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
198.9
monetaryItemType
table: <entity> 198.9 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
10.9
monetaryItemType
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
11.5
monetaryItemType
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
11.0
monetaryItemType
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
4.6
monetaryItemType
table: <entity> 4.6 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
4.8
monetaryItemType
table: <entity> 4.8 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
6.1
monetaryItemType
table: <entity> 6.1 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
266.0
monetaryItemType
table: <entity> 266.0 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
112.2
monetaryItemType
table: <entity> 112.2 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
235.4
monetaryItemType
table: <entity> 235.4 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
400.9
monetaryItemType
table: <entity> 400.9 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
363.3
monetaryItemType
table: <entity> 363.3 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
354.9
monetaryItemType
table: <entity> 354.9 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1582.3
monetaryItemType
table: <entity> 1582.3 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1463.4
monetaryItemType
table: <entity> 1463.4 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1354.5
monetaryItemType
table: <entity> 1354.5 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
70.0
monetaryItemType
table: <entity> 70.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
145.6
monetaryItemType
table: <entity> 145.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
70.7
monetaryItemType
table: <entity> 70.7 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
22.3
monetaryItemType
table: <entity> 22.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
9.1
monetaryItemType
table: <entity> 9.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
14.2
monetaryItemType
table: <entity> 14.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1890.9
monetaryItemType
table: <entity> 1890.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1672.0
monetaryItemType
table: <entity> 1672.0 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1624.5
monetaryItemType
table: <entity> 1624.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
137.4
monetaryItemType
table: <entity> 137.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
109.0
monetaryItemType
table: <entity> 109.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
136.3
monetaryItemType
table: <entity> 136.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
20.9
monetaryItemType
table: <entity> 20.9 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
20.4
monetaryItemType
table: <entity> 20.4 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
17.2
monetaryItemType
table: <entity> 17.2 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
430.9
monetaryItemType
table: <entity> 430.9 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
393.8
monetaryItemType
table: <entity> 393.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
346.2
monetaryItemType
table: <entity> 346.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
308.7
monetaryItemType
table: <entity> 308.7 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
283.2
monetaryItemType
table: <entity> 283.2 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
271.1
monetaryItemType
table: <entity> 271.1 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
897.9
monetaryItemType
table: <entity> 897.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
806.4
monetaryItemType
table: <entity> 806.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
770.8
monetaryItemType
table: <entity> 770.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
993.0
monetaryItemType
table: <entity> 993.0 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
865.6
monetaryItemType
table: <entity> 865.6 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
853.7
monetaryItemType
table: <entity> 853.7 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
10.5
monetaryItemType
table: <entity> 10.5 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </context>
us-gaap:InvestmentIncomeInterestAndDividend
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.0
monetaryItemType
table: <entity> 7.0 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </context>
us-gaap:InvestmentIncomeInterestAndDividend
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.6
monetaryItemType
table: <entity> 1.6 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </context>
us-gaap:InvestmentIncomeInterestAndDividend
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
89.4
monetaryItemType
table: <entity> 89.4 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
83.2
monetaryItemType
table: <entity> 83.2 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
70.7
monetaryItemType
table: <entity> 70.7 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
214.2
monetaryItemType
table: <entity> 214.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
194.5
monetaryItemType
table: <entity> 194.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
162.7
monetaryItemType
table: <entity> 162.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
878.7
monetaryItemType
table: <entity> 878.7 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
761.3
monetaryItemType
table: <entity> 761.3 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
763.3
monetaryItemType
table: <entity> 763.3 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
190.3
monetaryItemType
table: <entity> 190.3 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
147.1
monetaryItemType
table: <entity> 147.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
169.1
monetaryItemType
table: <entity> 169.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
688.4
monetaryItemType
table: <entity> 688.4 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
614.2
monetaryItemType
table: <entity> 614.2 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
594.2
monetaryItemType
table: <entity> 594.2 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity...
table
2949.6
monetaryItemType
table: <entity> 2949.6 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
us-gaap:MembersEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity...
table
2426.5
monetaryItemType
table: <entity> 2426.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
us-gaap:MembersEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity...
table
5376.1
monetaryItemType
table: <entity> 5376.1 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
us-gaap:MembersEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity...
table
170.0
monetaryItemType
table: <entity> 170.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:Dividends