Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Operating Results and Assets of Alcoa's Reportable Segments

The operating results of Alcoa’s reportable segments were as follows (differences between segment totals and consolidated totals are in Corporate):

	Alumina			Primary Metals			Global Rolled Products			Engineered Products and Solutions		Total
Third quarter ended September 30, 2012
Sales:
Third-party sales	$	764		$	1,794		$	1,849		$	1,367	$	5,774
Intersegment sales		575			691			42			—		1,308
Total sales	$	1,339		$	2,485		$	1,891		$	1,367	$	7,082
Profit and loss:
Equity income (loss)	$	2		$	(5	)	$	(1	)	$	—	$	(4	)
Depreciation, depletion, and amortization		120			130			57			39		346
Income taxes		(22	)		(19	)		44			79		82
After-tax operating income (ATOI)		(9	)		(14	)		98			160		235
Third quarter ended September 30, 2011
Sales:
Third-party sales	$	879		$	2,124		$	1,974		$	1,373	$	6,350
Intersegment sales		751			798			48			—		1,597
Total sales	$	1,630		$	2,922		$	2,022		$	1,373	$	7,947
Profit and loss:
Equity income (loss)	$	2		$	(4	)	$	—		$	—	$	(2	)
Depreciation, depletion, and amortization		117			137			61			40		355
Income taxes		42			21			26			67		156
ATOI		154			110			60			138		462

	Alumina			Primary Metals			Global Rolled Products			Engineered Products and Solutions		Total
Nine months ended September 30, 2012
Sales:
Third-party sales	$	2,289		$	5,542		$	5,607		$	4,177	$	17,615
Intersegment sales		1,768			2,234			130			—		4,132
Total sales	$	4,057		$	7,776		$	5,737		$	4,177	$	21,747
Profit and loss:
Equity income (loss)	$	4		$	(16	)	$	(4	)	$	—	$	(16	)
Depreciation, depletion, and amortization		348			398			171			118		1,035
Income taxes		(29	)		(51	)		136			228		284
ATOI		49			(7	)		289			475		806
Nine months ended September 30, 2011
Sales:
Third-party sales	$	2,615		$	6,249		$	5,951		$	3,990	$	18,805
Intersegment sales		2,107			2,559			179			—		4,845
Total sales	$	4,722		$	8,808		$	6,130		$	3,990	$	23,650
Profit and loss:
Equity income (loss)	$	27		$	(4	)	$	—		$	1	$	24
Depreciation, depletion, and amortization		332			420			179			119		1,050
Income taxes		146			129			94			201		570
ATOI		482			513			240			417		1,652

Schedule of Segment Reporting Information to Consolidated Net Income Attributable to Alcoa

The following table reconciles total segment ATOI to consolidated net (loss) income attributable to Alcoa:

	Third quarter  ended September 30,						Nine months  ended September 30,
	2012			2011			2012			2011
Total segment ATOI	$	235		$	462		$	806		$	1,652
Unallocated amounts (net of tax):
Impact of LIFO		(7	)		2			12			(49	)
Interest expense		(81	)		(81	)		(241	)		(259	)
Noncontrolling interests		32			(53	)		44			(166	)
Corporate expense		(62	)		(76	)		(195	)		(219	)
Restructuring and other charges		(2	)		(7	)		(19	)		(35	)
Discontinued operations		—			—			—			(5	)
Other*		(258	)		(75	)		(458	)		(117	)
Consolidated net (loss) income attributable to Alcoa	$	(143	)	$	172		$	(51	)	$	802

* In the third quarter and nine-month period of 2012, Other includes after-tax charges related to environmental remediation ($116 and $129) and a civil litigation matter ($26 and $55), respectively, (see Note G).