Other Liabilities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Other current liabilities:
Refinery metal payable	$ 500	$ 796
Accrued capital expenditures	267	248
Accrued operating costs	256	231
Taxes other than income and mining	86	93
Reclamation and remediation liabilities	70	71
Deferred income tax	57	50
Royalties	43	53
Boddington contingent consideration	39	24
Holt property royalty	21	17
Interest	12	55
Derivative instruments	2	408
Other	64	87
Other current liabilities, total	1,417	2,133
Other long-term liabilities:
Holt property royalty	226	159
Income and mining taxes	86	88
Power supply agreements	46	45
Derivative instruments	4	6
Boddington contingent consideration	4	30
Other	31	36
Other long-term liabilities, total	$ 397	$ 364