Other Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2015	Jul. 24, 2015	Dec. 31, 2014
Other current liabilities:
Refinery metal payable and liabilities	$ 125		$ 132
Deferred income tax	107		99
Accrued operating costs	96		59
Interest	82		71
Accrued capital expenditures	72		72
Derivative instruments	62		83
Reclamation and remediation liabilities	55		67
Royalties	11		12
Taxes other than income and mining	3		21
Holt property royalty			606
Other	4		23
Other current liabilities, total	617		1,245
Other long-term liabilities:
Holt property royalty	110		167
Income and mining taxes	77		79
Derivative instruments	43		53
Power supply agreements	30		35
Social development obligations	29		29
Boddington contingent consideration	10		10
Other	16		22
Other long-term liabilities, total	$ 315		$ 395
EGR
Other long-term liabilities:
Ownership interest sold (as a percent)	60.64%
Disposal by sale | EGR
Other long-term liabilities:
Ownership interest sold (as a percent)		60.64%