Consolidated Statement of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net Income (Loss)		$ 14,860	$ 9,269	$ (431)
Adjustments
Depreciation, depletion and amortization		19,419	19,349	19,457
Dry hole expense		687	198	489
Distributions less than income from equity affiliates	[1]	(3,580)	(2,380)	(1,549)
Net before-tax gains on asset retirements and sales		(619)	(2,195)	(1,149)
Net foreign currency effects		123	131	186
Deferred income tax provision		1,050	(3,203)	(3,835)
Net decrease (increase) in operating working capital	[2]	(718)	520	(327)
Decrease (increase) in long-term receivables		418	(368)	(131)
Net decrease (increase) in other deferred charges	[2]	0	(254)	178
Cash contributions to employee pension plans		(1,035)	(980)	(870)
Other		13	251	672
Net Cash Provided by Operating Activities	[1],[2]	30,618	20,338	12,690
Investing Activities
Capital expenditures		(13,792)	(13,404)	(18,109)
Proceeds and deposits related to asset sales and returns of investment	[1],[2]	2,392	5,096	3,476
Net maturities of (investments in) time deposits		(950)	0	0
Net sales (purchases) of marketable securities		(51)	4	297
Net repayment (borrowing) of loans by equity affiliates		111	(16)	(2,034)
Net Cash Used for Investing Activities	[1],[2]	(12,290)	(8,320)	(16,370)
Financing Activities
Net borrowings (repayments) of short-term obligations		2,021	(5,142)	2,130
Proceeds from issuances of long-term debt		218	3,991	6,924
Repayments of long-term debt and other financing obligations		(6,741)	(6,310)	(1,584)
Cash dividends - common stock		(8,502)	(8,132)	(8,032)
Distributions to noncontrolling interests		(91)	(78)	(63)
Net sales (purchases) of treasury shares		(604)	1,117	650
Net Cash Provided by (Used for) Financing Activities		(13,699)	(14,554)	25
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash		(91)	65	(53)
Net Change in Cash, Cash Equivalents and Restricted Cash		4,538	(2,471)	(3,708)
Cash, Cash Equivalents and Restricted Cash at January 1		5,943	8,414	12,122
Cash, Cash Equivalents and Restricted Cash at December 31		$ 10,481	$ 5,943	$ 8,414

[1] 2017 and 2016 adjusted to conform to ASU 2016-15. Refer to Note 3, "Information Relating to the Consolidated Statement of Cash Flows" beginning on page 59.

[2] 2017 and 2016 adjusted to conform to ASU 2016-18. Refer to Note 3, "Information Relating to the Consolidated Statement of Cash Flows" beginning on page 59.