Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities
Net Income	$ 16,639	$ 19,039
Adjustments
Depreciation, depletion and amortization	10,551	9,859
Dry hole expense	346	518
Distributions less than income from equity affiliates	(990)	(1,151)
Net before-tax gains on asset retirements and sales	(494)	(1,591)
Net foreign currency effects	45	187
Deferred income tax provision	969	1,449
Net increase in operating working capital	(2,088)	(2,948)
Increase in long-term receivables	(164)	(147)
Net decrease in other deferred charges	11	730
Cash contributions to employee pension plans	(961)	(1,035)
Other	686	1,122
Net Cash Provided by Operating Activities	24,550	26,032
Investing Activities
Capital expenditures	(26,372)	(20,452)
Proceeds and deposits related to asset sales	857	1,670
Net (purchases) sales of time deposits	(600)	3,950
Net sales (purchases) of marketable securities	3	(4)
Repayment of loans by equity affiliates	162	171
Net sales (purchases) of other short-term investments	172	(56)
Net Cash Used for Investing Activities	(25,778)	(14,721)
Financing Activities
Net borrowings of short-term obligations	534	2,406
Proceeds from issuance of long-term debt	6,000	0
Repayments of long-term debt and other financing obligations	(122)	(212)
Cash dividends — common stock	(5,571)	(5,099)
Distributions to noncontrolling interests	(93)	(23)
Net purchases of treasury shares	(3,306)	(2,962)
Net Cash Used for Financing Activities	(2,558)	(5,890)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(139)	28
Net Change in Cash and Cash Equivalents	(3,925)	5,449
Cash and Cash Equivalents at January 1	20,939	15,864
Cash and Cash Equivalents at September 30	$ 17,014	$ 21,313