Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Operating Activities
Net Income	$ 26,336		$ 27,008		$ 19,136
Adjustments
Depreciation, depletion and amortization	13,413	[1],[2]	12,911	[1],[2]	13,063	[1],[2]
Dry hole expense	555		377		496
Distributions less than income from equity affiliates	(1,351)		(570)		(501)
Net before-tax gains on asset retirements and sales	(4,089)		(1,495)		(1,004)
Net foreign currency effects	207		(103)		251
Deferred income tax provision	2,015		1,589		559
Net decrease in operating working capital	363		2,318		76
Increase in long-term receivables	(169)		(150)		(12)
Decrease in other deferred charges	1,047		341		48
Cash contributions to employee pension plans	(1,228)		(1,467)		(1,450)
Other	1,713		336		692
Net Cash Provided by Operating Activities	38,812		41,095		31,354
Investing Activities
Acquisition of Atlas Energy	0		(3,009)		0
Advance to Atlas Energy	0		(403)		0
Capital expenditures	(30,938)		(26,500)		(19,612)
Proceeds and deposits related to asset sales	2,777		3,517		1,995
Net sales (purchases) of time deposits	3,250		(1,104)		(2,855)
Net purchases of marketable securities	(3)		(74)		(49)
Repayment of loans by equity affiliates	328		339		338
Net purchases of other short-term investments	(210)		(255)		(732)
Net Cash Used for Investing Activities	(24,796)		(27,489)		(20,915)
Financing Activities
Net borrowings (payments) of short-term obligations	264		23		(212)
Proceeds from issuances of long-term debt	4,007		377		1,250
Repayments of long-term debt and other financing obligations	(2,224)		(2,769)		(156)
Cash dividends - common stock	(6,844)		(6,136)		(5,669)
Distributions to noncontrolling interests	(41)		(71)		(72)
Net purchases of treasury shares	(4,142)		(3,193)		(306)
Net Cash Used for Financing Activities	(8,980)		(11,769)		(5,165)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	39		(33)		70
Net Change in Cash and Cash Equivalents	5,075		1,804		5,344
Cash and Cash Equivalents at January 1	15,864		14,060		8,716
Cash and Cash Equivalents at December 31	$ 20,939		$ 15,864		$ 14,060

[1] Other than the United States, Nigeria and Australia, no other country accounted for 10 percent or more of the company’s net properties, plant and equipment (PP&E) in 2012. Nigeria had PP&E of $17,485, $15,601 and $13,896 for 2012, 2011 and 2010, respectively. Australia had $21,770 and $12,423 in 2012 and 2011, respectively.

[2] Depreciation expense includes accretion expense of $629, $628 and $513 in 2012, 2011 and 2010, respectively.