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CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Operating Activities    
Net Income (Loss) $ 6,151 $ (869)
Adjustments    
Depreciation, depletion and amortization 14,614 15,254
Dry hole expense 140 472
Distributions less than income from equity affiliates (2,122) (708)
Net before-tax gains on asset retirements and sales (2,139) (872)
Net foreign currency effects 145 321
Deferred income tax provision (464) (3,139)
Net increase in operating working capital (695) (1,266)
Increase in long-term receivables (537) (81)
Net (increase) decrease in other deferred charges (57) 30
Cash contributions to employee pension plans (825) (697)
Other 74 538
Net Cash Provided by Operating Activities 14,285 8,983
Investing Activities    
Capital expenditures (9,763) (14,100)
Proceeds and deposits related to asset sales 4,856 2,209
Net sales of marketable securities 0 2
Net borrowing of loans by equity affiliates (36) (2,195)
Net (purchases) sales of other short-term investments (19) 155
Net Cash Used for Investing Activities (4,962) (13,929)
Financing Activities    
Net (repayments) borrowings of short-term obligations (7,185) 869
Proceeds from issuance of long-term debt 3,991 6,924
Repayments of long-term debt and other financing obligations (1,028) (812)
Cash dividends — common stock (6,093) (6,007)
Distributions to noncontrolling interests (66) (57)
Net sales of treasury shares 649 359
Net Cash (Used for) Provided by Financing Activities (9,732) 1,276
Effect of Exchange Rate Changes on Cash and Cash Equivalents 62 (1)
Net Change in Cash and Cash Equivalents (347) (3,671)
Cash and Cash Equivalents at January 1 6,988 11,022
Cash and Cash Equivalents at September 30 $ 6,641 $ 7,351