Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory Components

	September 30, 2013		December 31, 2012
Finished goods	$	587	$	542
Work-in-process		955		866
Bauxite and alumina		584		618
Purchased raw materials		517		536
Operating supplies		250		263
	$	2,893	$	2,825