Supplemental Guarantor Information - Supplemental Condensed Consolidating Statement of Operations And Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUES AND OTHER:
Oil and Gas Production Revenues	$ 3,647	$ 4,021
Derivative instrument losses, net	(20)	(100)
Other	48	25
Total revenues and other	3,675	3,946
OPERATING EXPENSES:
Depreciation, depletion and amortization	1,206	1,312
Asset retirement obligation accretion	44	63
Lease operating expenses	597	722
Gathering and transportation	70	73
Taxes other than income	181	229
General and administrative	119	112
Acquisitions, divestitures and transition	2
Financing costs, net	27	55
Total operating expenses	2,246	2,566
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	1,429	1,380
Provision (benefit) for income taxes	578	602
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	851	778
Net loss from discontinued operations, net of tax	(517)	(61)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	334	717
Net income attributable to noncontrolling interest	98
Preferred stock dividends		19
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	236	698
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	235	696
Reclassifications & Eliminations [Member]
REVENUES AND OTHER:
Equity in net income (loss) of affiliates	(276)	(602)
Other	(1)	(2)
Total revenues and other	(277)	(604)
OPERATING EXPENSES:
General and administrative	(1)	(2)
Total operating expenses	(1)	(2)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(276)	(602)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	(276)	(602)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	(276)	(602)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	(276)	(602)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	(276)	(602)
Apache Corporation [Member]
REVENUES AND OTHER:
Oil and Gas Production Revenues	892	1,146
Equity in net income (loss) of affiliates	253	610
Derivative instrument losses, net	(20)
Other	(3)	(102)
Total revenues and other	1,122	1,654
OPERATING EXPENSES:
Depreciation, depletion and amortization	328	401
Asset retirement obligation accretion	7	20
Lease operating expenses	128	281
Gathering and transportation	14	14
Taxes other than income	79	44
General and administrative	107	100
Acquisitions, divestitures and transition	2
Financing costs, net	32	34
Total operating expenses	697	894
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	425	760
Provision (benefit) for income taxes	62	43
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	363	717
Net loss from discontinued operations, net of tax	(127)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	236	717
Preferred stock dividends		19
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	236	698
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	235	696
Apache Finance Canada [Member]
REVENUES AND OTHER:
Equity in net income (loss) of affiliates	29	(11)
Other	14	15
Total revenues and other	43	4
OPERATING EXPENSES:
Financing costs, net	10	14
Total operating expenses	10	14
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	33	(10)
Provision (benefit) for income taxes	10	(2)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	23	(8)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	23	(8)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	23	(8)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	23	(8)
All Other Subsidiaries of Apache Corporation [Member]
REVENUES AND OTHER:
Oil and Gas Production Revenues	2,755	2,875
Equity in net income (loss) of affiliates	(6)	3
Other	38	14
Total revenues and other	2,787	2,892
OPERATING EXPENSES:
Depreciation, depletion and amortization	878	911
Asset retirement obligation accretion	37	43
Lease operating expenses	469	441
Gathering and transportation	56	59
Taxes other than income	102	185
General and administrative	13	14
Financing costs, net	(15)	7
Total operating expenses	1,540	1,660
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	1,247	1,232
Provision (benefit) for income taxes	506	561
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	741	671
Net loss from discontinued operations, net of tax	(390)	(61)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	351	610
Net income attributable to noncontrolling interest	98
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	253	610
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	$ 253	$ 610