Supplemental Guarantor Information - Supplemental Condensed Consolidating Statement of Operations And Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			36 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
REVENUES AND OTHER:
Oil and gas production revenues									$ 16,402	$ 16,947	$ 16,810
Derivative instrument gains (losses), net									(399)	(79)
Other									51	210	78
Total revenues and other	3,576	4,019	4,383	4,076	4,391	4,179	3,972	4,536	16,054	17,078	16,888	17,078
OPERATING EXPENSES:
Depreciation, depletion, and amortization									6,700	7,109	4,204
Asset retirement obligation accretion									243	232	154
Lease operating expenses									3,056	2,968	2,605
Gathering and transportation									297	303	296
Taxes other than income									832	862	899
General and administrative									503	531	459
Acquisitions, divestitures, and transition									33	31	20
Financing costs, net									174	165	158
Total operating expenses	3,346	3,713	3,348	3,359	3,723	3,999	3,616	3,739	11,838	12,201	8,795	15,077
INCOME (LOSS) BEFORE INCOME TAXES									4,216	4,877	8,093
Provision (benefit) for income taxes									1,928	2,876	3,509
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	230	306	1,035	717	668	180	356	797	2,288	2,001	4,584	2,001
Net income attributable to non controlling interest									56
Preferred stock dividends									44	76	76
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	174	300	1,016	698	649	161	337	778	2,188	1,925	4,508	1,925
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									2,204	1,803	4,640
Apache Corporation [Member]
REVENUES AND OTHER:
Oil and gas production revenues									4,585	4,237	4,380
Equity in net income (loss) of affiliates									2,313	1,523	3,590
Derivative instrument gains (losses), net									(399)
Other										(80)	9
Total revenues and other									6,499	5,680	7,979
OPERATING EXPENSES:
Depreciation, depletion, and amortization									2,250	1,391	1,257
Asset retirement obligation accretion									67	76	70
Lease operating expenses									939	957	794
Gathering and transportation									61	51	51
Taxes other than income									190	185	170
General and administrative									408	425	365
Acquisitions, divestitures, and transition									33	25	14
Financing costs, net									97	94	149
Total operating expenses									4,045	3,204	2,870
INCOME (LOSS) BEFORE INCOME TAXES									2,454	2,476	5,109
Provision (benefit) for income taxes									222	475	525
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST									2,232	2,001	4,584
Preferred stock dividends									44	76	76
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									2,188	1,925	4,508
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									2,204	1,803	4,640
Apache Finance Canada [Member]
REVENUES AND OTHER:
Equity in net income (loss) of affiliates									17	(737)	234
Other									61	69	125
Total revenues and other									78	(668)	359
OPERATING EXPENSES:
Financing costs, net									5	(20)	(18)
Total operating expenses									5	(20)	(18)
INCOME (LOSS) BEFORE INCOME TAXES									73	(648)	377
Provision (benefit) for income taxes									20	(159)	97
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST									53	(489)	280
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									53	(489)	280
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									53	(489)	280
All Other Subsidiaries of Apache Corporation [Member]
REVENUES AND OTHER:
Oil and gas production revenues									11,817	12,710	12,430
Equity in net income (loss) of affiliates									36	248	46
Other									(6)	146	(52)
Total revenues and other									11,847	13,104	12,424
OPERATING EXPENSES:
Depreciation, depletion, and amortization									4,450	5,718	2,947
Asset retirement obligation accretion									176	156	84
Lease operating expenses									2,117	2,011	1,811
Gathering and transportation									236	252	245
Taxes other than income									642	677	729
General and administrative									99	110	98
Acquisitions, divestitures, and transition										6	6
Financing costs, net									72	91	27
Total operating expenses									7,792	9,021	5,947
INCOME (LOSS) BEFORE INCOME TAXES									4,055	4,083	6,477
Provision (benefit) for income taxes									1,686	2,560	2,887
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST									2,369	1,523	3,590
Net income attributable to non controlling interest									56
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									2,313	1,523	3,590
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									2,313	1,523	3,590
Reclassifications & Eliminations [Member]
REVENUES AND OTHER:
Equity in net income (loss) of affiliates									(2,366)	(1,034)	(3,870)
Other									(4)	(4)	(4)
Total revenues and other									(2,370)	(1,038)	(3,874)
OPERATING EXPENSES:
General and administrative									(4)	(4)	(4)
Total operating expenses									(4)	(4)	(4)
INCOME (LOSS) BEFORE INCOME TAXES									(2,366)	(1,034)	(3,870)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST									(2,366)	(1,034)	(3,870)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									(2,366)	(1,034)	(3,870)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK									$ (2,366)	$ (1,034)	$ (3,870)