Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory Components

	June 30, 2013		December 31, 2012
Finished goods	$	580	$	542
Work-in-process		925		866
Bauxite and alumina		649		618
Purchased raw materials		502		536
Operating supplies		249		263
	$	2,905	$	2,825