Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Business Segment Information [Abstract]

Business Segment Information

	United States			Canada			Egypt		Australia		North Sea		Argentina		Other International			Total
	(In millions)
2011
Oil and gas production revenues	$	6,103		$	1,617		$	4,791	$	1,734	$	2,091	$	474	$	—		$	16,810
Operating Expenses:
Depreciation, depletion and amortization
Recurring		1,684			546			818		440		409		198		—			4,095
Additional		—			—			—		—		—		—		109			109
Asset retirement obligation accretion		97			26			—		10		17		4		—			154
Lease operating expenses		1,167			470			398		197		208		165		—			2,605
Gathering and transportation		64			165			35		—		25		7		—			296
Taxes other than income		259			51			13		9		539		28		—			899
Operating Income (Loss)(1)	$	2,832		$	359		$	3,527	$	1,078	$	893	$	72	$	(109	)		8,652
Other Income (Expense):
Other																			78
General and administrative																			(459	)
Merger, acquisitions & transition																			(20	)
Financing costs, net																			(158	)
Income Before Income Taxes																		$	8,093
Net Property and Equipment	$	21,038		$	8,022		$	4,923	$	4,194	$	5,737	$	1,512	$	22		$	45,448
Total Assets	$	23,499		$	8,816		$	6,656	$	4,681	$	6,600	$	1,766	$	33		$	52,051
Additions to Net Property and Equipment	$	3,854		$	1,288		$	1,015	$	1,140	$	4,175	$	374	$	73		$	11,919
2010 Oil and gas production revenues	$	4,300		$	1,074		$	3,372	$	1,459	$	1,606	$	372	$	—		$	12,183
Operating Expenses:
Depreciation, depletion and amortization
Recurring		1,163			294			754		408		304		160		—			3,083
Asset retirement obligation accretion		62			23			—		9		15		2		—			111
Lease operating expenses		924			334			298		185		168		123		—			2,032
Gathering and transportation		42			75			31		—		25		5		—			178
Taxes other than income		190			35			10		11		422		22		—			690
Operating Income(1)	$	1,919		$	313		$	2,279	$	846	$	672	$	60	$	—			6,089
Other Income (Expense):
Other																			(91	)
General and administrative																			(380	)
Merger, acquisitions & transition																			(183	)
Financing costs, net																			(229	)
Income Before Income Taxes																		$	5,206
Net Property and Equipment	$	19,069		$	7,497		$	4,726	$	3,495	$	1,970	$	1,336	$	58		$	38,151
Total Assets	$	21,326		$	8,273		$	6,036	$	3,831	$	2,362	$	1,537	$	60		$	43,425
Additions to Net Property and Equipment	$	10,371		$	5,277		$	1,569	$	925	$	620	$	274	$	20		$	19,056
2009
Oil and gas production revenues	$	3,050		$	877		$	2,553	$	363	$	1,369	$	362	$	—		$	8,574
Operating Expenses:
Depreciation, depletion and amortization
Recurring		947			257			578		204		260		149		—			2,395
Additional		1,222			1,596			—		—		—		—		—			2,818
Asset retirement obligation accretion		63			19			—		6		14		3		—			105
Lease operating expenses		762			269			264		101		158		108		—			1,662
Gathering and transportation		36			53			23		—		26		5		—			143
Taxes other than income		121			43			9		10		383		14		—			580
Operating Income (Loss)(1)	$	(101	)	$	(1,360	)	$	1,679	$	42	$	528	$	83	$	—			871
Other Income (Expense):
Other																			41
General and administrative																			(344	)
Financing costs, net																			(242	)
Income Before Income Taxes																		$	326
Net Property and Equipment	$	9,859		$	3,251		$	3,910	$	2,965	$	1,655	$	1,223	$	38		$	22,901
Total Assets	$	11,526		$	3,776		$	5,626	$	3,346	$	2,444	$	1,428	$	40		$	28,186
Additions to Net Property and Equipment	$	1,342		$	604		$	873	$	774	$	379	$	171	$	11		$	4,154

(1) Operating Income (Loss) consists of oil and gas production revenues less depreciation, depletion and amortization, asset retirement obligation accretion, lease operating expenses, gathering and transportation costs, and taxes other than income.