v2.4.0.6
Consolidated Statement of Cash Flows (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cash Flows From Operating Activities      
Net income $ 12,502 $ 11,417 $ 4,492
Adjustments to reconcile net income to net cash provided by operating activities      
Depreciation, depletion and amortization 7,015 8,169 8,407
Impairments 321 81 469
Dry hole costs and leasehold impairments 470 477 606
Accretion on discounted liabilities 426 417 389
Deferred taxes 408 (865) (1,036)
Undistributed equity earnings (126) (350) (693)
Gain on dispositions (370) (5,563) (81)
Income from discontinued operations (5,047) [1] (968) [1] (695) [1]
Other (390) (333) 330
Working capital adjustments      
Decrease (increase) in accounts and notes receivable (983) 247 1,324
Decrease (increase) in inventories (73) (35) 83
Decrease (increase) in prepaid expenses and other current assets (334) (14) 158
Increase (decrease) in accounts payable 1,234 227 (1,340)
Increase (decrease) in taxes and other accruals (576) 1,546 (1,030)
Net cash provided by continuing operating activities 14,477 14,453 11,383
Net cash provided by discontinued operations 5,169 2,592 1,096
Net Cash Provided by Operating Activities 19,646 17,045 12,479
Cash Flows From Investing Activities      
Capital expenditures and investments (12,244) (8,611) (8,400)
Proceeds from asset dispositions 2,192 14,710 512
Net sales (purchases) of short-term investments 400 (982)  
Long-term advances/loans-related parties (9) (113) (175)
Collection of advances/loans-related parties 98 95 92
Other 56 218 9
Net cash provided by (used in) continuing investing activities (9,507) 5,317 (7,962)
Net cash provided by (used in) discontinued operations 2,492 (652) (1,973)
Net Cash Provided by (Used in) Investing Activities (7,015) 4,665 (9,935)
Cash Flows From Financing Activities      
Issuance of debt   118 9,087
Repayment of debt (934) (5,294) (7,833)
Issuance of company common stock 96 133 13
Repurchase of company common stock (11,123) (3,866)  
Dividends paid on company common stock (3,632) (3,175) (2,832)
Other (684) (706) (1,261)
Net cash used in continuing financing activities (16,277) (12,790) (2,826)
Net cash used in discontinued operations (28) (29) (29)
Net Cash Used in Financing Activities (16,305) (12,819) (2,855)
Effect of Exchange Rate Changes on Cash and Cash Equivalents   21 98
Net Change in Cash and Cash Equivalents (3,674) 8,912 (213)
Cash and cash equivalents at beginning of year 9,454 [2] 542 755
Cash and Cash Equivalents at End of Year $ 5,780 [2] $ 9,454 [2] $ 542
[1] *Net of provision for income taxes on discontinued operations of: $1,729, $470, $173.
[2] Certain amounts have been restated to reflect a prior period adjustment. See Note 21-Accumulated Other Comprehensive Income, in the Notes to Consolidated Financial Statements.