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Consolidated Statement of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Activities      
Net Income (Loss) $ 15,689 $ (5,561) $ 2,845
Adjustments      
Depreciation, depletion and amortization 17,925 19,508 29,218
Dry hole expense 118 1,036 172
Distributions more (less) than income from equity affiliates (1,998) 2,015 (2,073)
Net before-tax gains on asset retirements and sales (1,021) (760) (1,367)
Net foreign currency effects (7) 619 272
Deferred income tax provision 700 (3,604) (1,966)
Net decrease (increase) in operating working capital (1,361) (1,652) 1,494
Decrease (increase) in long-term receivables 21 296 502
Net decrease (increase) in other deferred charges (320) (248) (69)
Cash contributions to employee pension plans (1,751) (1,213) (1,362)
Other 1,192 141 (352)
Net Cash Provided by Operating Activities 29,187 10,577 27,314
Investing Activities      
Cash acquired from Noble Energy, Inc. 0 373 0
Capital expenditures (8,056) (8,922) (14,116)
Proceeds and deposits related to asset sales and returns of investment 1,791 2,968 2,951
Net maturities of (investments in) time deposits 0 0 950
Net sales (purchases) of marketable securities (1) 35 2
Net repayment (borrowing) of loans by equity affiliates 401 (1,419) (1,245)
Net Cash Used for Investing Activities (5,865) (6,965) (11,458)
Financing Activities      
Net borrowings (repayments) of short-term obligations (5,572) 651 (2,821)
Proceeds from issuances of long-term debt 0 12,308 0
Repayments of long-term debt and other financing obligations (7,364) (5,489) (5,025)
Cash dividends - common stock (10,179) (9,651) (8,959)
Net contributions from (distributions to) noncontrolling interests (36) (24) (18)
Net sales (purchases) of treasury shares 38 (1,531) (2,935)
Net Cash Provided by (Used for) Financing Activities (23,113) (3,736) (19,758)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash (151) (50) 332
Net Change in Cash, Cash Equivalents and Restricted Cash 58 (174) (3,570)
Cash, Cash Equivalents and Restricted Cash at January 1 6,737 6,911 10,481
Cash, Cash Equivalents and Restricted Cash at December 31 $ 6,795 $ 6,737 $ 6,911