Year Ended December 31
Millions of dollars 2008 2007 2006
Cash flows from operating activities:
Net income $ 1,538 $ 3,499 $ 2,348
Adjustments to reconcile net income to net cash from operations:
Depreciation, amortization and amortization 738 583 480
Loss on extinguishment of debt 693
(Income) loss from discontinued operations 423 (975) (171)
Provision (benefit) for income taxes, continuing operations 254 (140) 714
Gain on sale of business assets, net (62) (52) (66)
Other changes:
Accounts payable (161) 77 96
Contributions to pension plans (52) (41) (75)
Inventories (368) (218) (309)
Receivables (670) (326) (327)
Other 19 288 656
Cash flows from discontinued operations 31 31 311
Total cash flows from operating activities 2,674 2,726 3,561
Cash flows from investing activities:
Sales (purchases) of short-term investments in marketable securities, net 388 (332) (20)
Sales of property, plant, and equipment 191 203 151
Dispositions of business assets, net of cash disposed 81 70 98
Disposal of KBR, Inc. cash upon separation (1,461)
Acquisitions of business assets, net of cash acquired (652) (563) (27)
Capital expenditures (1,824) (1,583) (834)
Other investing activities (40) 18 20
Cash flows from discontinued operations (13) 223
Total cash flows from investing activities (1,856) (3,661) (426)
Cash flows from financing activities:
Proceeds from long-term debt, net of offering costs 1,187
Proceeds from exercise of stock options 120 110 159
Tax benefit from exercise of options and restricted stock 44 29 53
Payments of dividends to shareholders (319) (314) (306)
Payments to reacquire common stock (507) (1,374) (1,339)
Payments on long-term debt (2,048) (7) (324)
Other financing activities 4 (8)
Cash flows from discontinued operations (18) 485
Total cash flows from financing activities (1,523) (1,570) (1,280)
Effect of exchange rate changes on cash, including $0, $0, and $50 related to discontinued operations (18) (27) 37
Increase (decrease) in cash and equivalents (723) (2,532) 1,988
Cash and equivalents at beginning of year, including $0, $1,461, and $390 related to discontinued operations 1,847 4,379 2,391
Cash and equivalents at end of year, including $0, $0, and $1,461 related to discontinued operations $ 1,124 $ 1,847 $ 4,379