OTHER LIABILITIES (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Other Liabilities [Abstract]
Pension, postretirement, postemployment and other employment benefits	$ 1,277	[1]	$ 1,074	[1]
Reserve for uncertain tax benefits	128		133
Insurance claim reserve	50		58
Atlantic Copper contractual obligation to insurance company (refer to Note 10)	39		48
Other	157		146
Total other liabilities	$ 1,651		$ 1,459

[1] Refer to Note 7 for short-term portion and Note 10 for further discussion.