Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

2013							Not Allocated
(In millions)	N.A. E&P		Int'l E&P		OSM		to Segments				Total
Sales and other operating revenues	$	5,068	$	5,827	$	1,576	$	(52	)	(c)	$	12,419
Marketing revenues	1,797		267		18		—				2,082
Total revenues	6,865		6,094		1,594		(52		)		14,501
Income from equity method investments	—		427		—		(4		)	(d)	423
Net gain (loss) on disposal of assets and other income	12		50		5		(32		)		35
Production expenses	797		534		1,000		—				2,331
Marketing costs	1,796		258		18		—				2,072
Exploration expenses	725		263		—		—				988
Depreciation, depletion and amortization	1,927		621		218		24				2,790
Impairments	41		—		—		55				96
Other expenses (a)	420		239		66		401				1,126
Taxes other than income	318		7		22		5				352
Net interest and other	—		—		—		274				274
Provision (benefit) for income taxes	324		3,226		69		(282		)		3,337
Segment income/Income from continuing operations	$	529	$	1,423	$	206	$	(565	)		$	1,593
Capital expenditures (b)	$	3,649	$	764	$	286	$	285			$	4,984

^(a)  Includes other operating expenses and general and administrative expenses.

^(b)  Includes accruals.

^(c)  Unrealized gain (loss) on crude oil derivative instruments.

^(d)  EGHoldings impairment (see Note 15).

2012							Not Allocated
(In millions)	N.A. E&P		Int'l E&P		OSM		to Segments				Total
Sales and other operating revenues	$	3,944	$	7,445	$	1,521	$	53		(c)	$	12,963
Marketing revenues	2,451		248		30		—				2,729
Total revenues	6,395		7,693		1,551		53				15,692
Income from equity method investments	2		368		—		—				370
Net gain (loss) on disposal of assets and other income	11		30		4		114				159
Production expenses	706		500		996		—				2,202
Marketing costs	2,444		269		31		—				2,744
Exploration expenses	588		118		—		—				706
Depreciation, depletion and amortization	1,428		787		217		45				2,477
Impairments	11		—		—		360				371
Other expenses (a)	400		200		60		464				1,124
Taxes other than income	226		5		22		(5		)		248
Net interest and other	—		—		—		219				219
Provision (benefit) for income taxes	223		4,552		58		(316		)		4,517
Segment income/Income from continuing operations	$	382	$	1,660	$	171	$	(600	)		$	1,613
Capital expenditures (b)	$	3,988	$	489	$	188	$	466			$	5,131

2011								Not Allocated
(In millions)	N.A. E&P		Int'l E&P		OSM			to Segments			Total
Sales and other operating revenues	$	3,364	$	5,851	$	1,535		$	—		$	10,750
Marketing revenues	3,614		252		53			—			3,919
Total revenues	6,978		6,103		1,588			—			14,669
Income from equity method investments	20		442		—			—			462
Net gain (loss) on disposal of assets and other income	21		73		(17		)	74			151
Production expenses	545		409		915			82			1,951
Marketing costs	3,598		247		53			—			3,898
Exploration expenses	388		253		—			—			641
Depreciation, depletion and amortization	1,191		828		196			48			2,263
Impairments	12		—		—			298			310
Other expenses (a)	494		191		46			465			1,196
Taxes other than income	182		6		17			(12		)	193
Net interest and loss on early extinguishment of debt	—		—		—			386			386
Provision (benefit) for income taxes	217		2,693		83			(267		)	2,726
Segment income/Income from continuing operations	$	392	$	1,991	$	261		$	(926	)	$	1,718
Capital expenditures (b)	$	2,163	$	544	$	308		$	384		$	3,399

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

The following summarizes revenues from external customers by geographic area.

(In millions)	2013		2012		2011
United States	$	6,813	$	6,448	$	6,978
Norway	3,183		3,714		3,563
Canada	1,594		1,551		1,588
Libya(a)	1,106		1,989		216
Other international	1,805		1,990		2,324
Total revenues	$	14,501	$	15,692	$	14,669

^(a)  See Note 13 for discussion of Libya operations.

Revenue from External Customers by Products and Services

Revenues by product line were:

(In millions)	2013		2012		2011
Liquid hydrocarbons	$	11,932	$	12,983	$	11,778
Natural gas	937		1,052		1,203
Synthetic crude oil	1,542		1,409		1,442
Other	90		248		246
Total revenues	$	14,501	$	15,692	$	14,669

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

The following summarizes certain long-lived assets by geographic area, including property, plant and equipment and equity method investments.

	December 31,
(In millions)	2013		2012
United States	$	14,635	$	13,677
Canada	9,794		9,693
Norway	977		987
Equatorial Guinea	1,977		2,081
Other international	1,963		3,113
Total long-lived assets	$	29,346	$	29,551