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Inventories (Tables)

12 Months Ended

Dec. 31, 2011

Inventories [Abstract]

Carrying Value Of Major Inventory Components

December 31,		2011				2010
Finished goods		$	537			$	474
Work-in-process			911				826
Bauxite and alumina			656				621
Purchased raw materials			532				405
Operating supplies			263				258
		$	2,899			$	2,584

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- Definition

Disclosure of the carrying value of each significant component of inventory for an entity, who does not report such information on the face of their balance sheet.

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