Business Segment Information

3 Months Ended

Mar. 31, 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 March 31, 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 March 31, 2013
Oil and Gas Production Revenues	$	1,677	$	297		$	1,009	$	298	$	740	$	125		$	—	$	4,146
Operating Income (Loss) (1)	$	585	$	(5	)	$	658	$	138	$	246	$	(63	)	$	—	$	1,559
Other Income (Expense):
Other																		(70	)
General and administrative																		(116	)
Financing costs, net																		(53	)
Income Before Income Taxes																	$	1,320
Total Assets	$	32,205	$	6,935		$	7,031	$	6,729	$	7,053	$	1,729		$	110	$	61,792
For the Quarter Ended March 31, 2012
Oil and Gas Production Revenues	$	1,550	$	353		$	1,249	$	426	$	742	$	137		$	—	$	4,457
Operating Income (Loss) (1)	$	672	$	(487	)	$	928	$	250	$	264	$	28		$	—	$	1,655
Other Income (Expense):
Other																		79
General and administrative																		(128	)
Merger, acquisitions & transition																		(6	)
Financing costs, net																		(40	)
Income Before Income Taxes																	$	1,560
Total Assets	$	24,209	$	8,372		$	6,870	$	5,334	$	6,591	$	1,773		$	88	$	53,237

⁽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 quarter ended March 31, 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 ended March 31, 2012, includes additional depletion of $521 million to write-down the carrying value of oil and gas properties.