Properties, Plants, and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2013

Property Plant And Equipment [Abstract]

Schedule of Properties, Plants, and Equipment, Net

December 31,	2013		2012
Land and land rights, including mines	$	639	$	676
Structures:
Alumina:
Alumina refining		3,049		3,319
Bauxite mining		1,591		1,563
Primary Metals:
Aluminum smelting		3,863		4,042
Power generation		683		604
Global Rolled Products		1,256		1,232
Engineered Products and Solutions		693		678
Other		755		760
		11,890		12,198
Machinery and equipment:
Alumina:
Alumina refining		4,685		5,279
Bauxite mining		596		650
Primary Metals:
Aluminum smelting		7,674		8,114
Power generation		1,101		994
Global Rolled Products		5,374		5,174
Engineered Products and Solutions		2,481		2,415
Other		859		883
		22,770		23,509
Less: accumulated depreciation, depletion, and amortization		35,299 19,227		36,383 19,190
Construction work-in-progress		16,072 1,567		17,193 1,754
	$	17,639	$	18,947