BUSINESS SEGMENT INFORMATION

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

BUSINESS SEGMENT INFORMATION

10. BUSINESS SEGMENT INFORMATION

Apache is engaged in a single line of business. Both domestically and internationally, the Company explores for, develops, and produces natural gas, crude oil and natural gas liquids. At June 30, 2013, the Company had production in six countries: the United States, Canada, Egypt, Australia, the United Kingdom (U.K.) North Sea, and Argentina. Apache also pursues exploration interests in other countries that may, over time, result in reportable discoveries and development opportunities. Financial information for each country is presented below:

	United States		Canada			Egypt		Australia		North Sea		Argentina			Other International			Total
	(In millions)
For the Quarter Ended June 30, 2013
Oil and Gas Production Revenues	$	1,836	$	329		$	893	$	291	$	652	$	118		$	—		$	4,119
Operating Income (Loss) (1)	$	712	$	14		$	512	$	119	$	202	$	(1	)	$	—		$	1,558
Other Income (Expense):
Derivative instrument gains (losses), net																			247
Other																			17
General and administrative																			(133	)
Financing costs, net																			(51	)
Income Before Income Taxes																		$	1,638
For the Six Months Ended June 30, 2013
Oil and Gas Production Revenues	$	3,513	$	627		$	1,902	$	588	$	1,392	$	243		$	—		$	8,265
Operating Income (Loss) (1)	$	1,298	$	11		$	1,170	$	254	$	448	$	(64	)	$	—		$	3,117
Other Income (Expense):
Derivative instrument gains (losses), net																			147
Other																			47
General and administrative																			(249	)
Financing costs, net																			(104	)
Income Before Income Taxes																		$	2,958
Total Assets	$	33,376	$	6,927		$	6,951	$	7,124	$	7,114	$	1,728		$	130		$	63,350
For the Quarter Ended June 30, 2012
Oil and Gas Production Revenues	$	1,442	$	295		$	1,011	$	388	$	694	$	126		$	—		$	3,956
Operating Income (Loss)(1)	$	526	$	(671	)	$	672	$	202	$	251	$	15		$	(7	)	$	988
Other Income (Expense):
Other																			16
General and administrative																			(132	)
Merger, acquisitions & transition																			(16	)
Financing costs, net																			(45	)
Income Before Income Taxes																		$	811
For the Six Months Ended June 30, 2012
Oil and Gas Production Revenues	$	2,992	$	648		$	2,260	$	814	$	1,436	$	263		$	—		$	8,413
Operating Income (Loss) (1)	$	1,197	$	(1,158	)	$	1,599	$	453	$	515	$	44		$	(7	)	$	2,643
Other Income (Expense):
Other																			95
General and administrative																			(260	)
Merger, acquisitions & transition																			(22	)
Financing costs, net																			(85	)
Income Before Income Taxes																		$	2,371
Total Assets	$	28,453	$	7,932		$	6,916	$	5,487	$	6,541	$	1,810		$	78		$	57,217

⁽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. Argentina’s operating loss for the first six months of 2013 includes additional depletion of $65 million to write-down the carrying value of oil and gas properties. Canada’s operating loss for the first quarter and second quarter of 2012 includes additional depletion of $521 million and $641 million, respectively, to write-down the carrying value of oil and gas properties.