Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

		At June 30,	At December 31,
		2012	2011
		(unaudited)
		(in US Dollars, millions)
The components of inventory consist of the following:
Short-term
Metals in process		195	189
Gold on hand (doré/bullion)		95	94
Ore stockpiles		498	454
Uranium oxide and sulfuric acid		22	24
Supplies		317	296
		1,127	1,057
Less: Materials on the leach pad(1)		(92)	(98)
		1,035	959
(1)	Short-term portion relating to heap leach inventory classified separately, as materials on the leach pad.

Schedule Of Inventory, Noncurrent Table [Text Block]

		At June 30,	At December 31,
		2012	2011
		(unaudited)
		(in US Dollars, millions)
Long-term
Metals in process		438	393
Ore stockpiles		31	31
		469	424
Less: Materials on the leach pad(1)		(438)	(393)
		31	31
(1)	Long-term portion relating to heap leach inventory classified separately, as materials on the leach pad.