Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory Components

December 31,	2014		2013
Finished goods	$	768	$	578
Work-in-process		1,035		828
Bauxite and alumina		578		581
Purchased raw materials		508		474
Operating supplies		193		244
	$	3,082	$	2,705