Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Debt for Apache and Subsidiaries

	December 31,
	2015			2014
	(In millions)
U.S.:
Commercial paper	$	—		$	1,570
5.625% notes due 2017(1)	—			500
1.75% notes due 2017(1)	—			400
6.9% notes due 2018(1)	400			400
7.0% notes due 2018	150			150
7.625% notes due 2019	150			150
3.625% notes due 2021(1)	500			500
3.25% notes due 2022(1)	919			919
2.625% notes due 2023(1)	531			531
7.7% notes due 2026	100			100
7.95% notes due 2026	180			180
6.0% notes due 2037(1)	1,000			1,000
5.1% notes due 2040(1)	1,500			1,500
5.25% notes due 2042(1)	500			500
4.75% notes due 2043(1)	1,500			1,500
4.25% notes due 2044(1)	800			800
7.375% debentures due 2047	150			150
7.625% debentures due 2096	150			150
	8,530			11,000
Subsidiary and other obligations:
Notes due in 2016 and 2017	1			1
Apache Finance Canada 7.75% notes due 2029	300			300
	301			301
Debt before unamortized discount and debt issuance costs	8,831			11,301
Unamortized discount	(53		)	(56		)
Debt issuance costs	(61		)	(67		)
Total debt	8,717			11,178
Current maturities	(1		)	—
Long-term debt	$	8,716		$	11,178

(1) These notes are redeemable, as a whole or in part, at Apache’s option, subject to a make-whole premium. The remaining notes and debentures are not redeemable.

Schedule of Long Term Debt by Maturity

	(In millions)
2016 and 2017	$	1
2018	550
2019	150
Thereafter	8,130
Total Debt, excluding discounts and debt issuance costs	$	8,831

Summary of Carrying Amounts and Estimated Fair Values

	December 31, 2015				December 31, 2014
	Carrying     Amount		Fair     Value		Carrying     Amount		Fair     Value
	(In millions)
Commercial paper	$	—	$	—	$	1,570	$	1,570
Notes and debentures	8,717		8,330		9,608		9,944
Total Debt	$	8,717	$	8,330	$	11,178	$	11,514

Components of Financing Costs, Net

	For the Year Ended December 31,
	2015			2014			2013
	(In millions)
Interest expense	$	486		$	499		$	560
Amortization of deferred loan costs	11			6			8
Capitalized interest	(15		)	(85		)	(99		)
Loss (gain) on extinguishment of debt	39			—			(16		)
Interest income	(10		)	(7		)	(8		)
Financing costs, net	$	511		$	413		$	445