Segment And Geographic Area Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment And Geographic Area Information [Abstract]

Schedule Of Operating Results And Assets Of Alcoa's Reportable Segments


	Alumina			Primary Metals			Flat- Rolled Products			Engineered Products and Solutions		Total
2011
Sales:
Third-party sales	$	3,462		$	8,240		$	7,642		$	5,345	$	24,689
Intersegment sales		2,727			3,192			218			-		6,137
Total sales	$	6,189		$	11,432		$	7,860		$	5,345	$	30,826
Profit and loss:
Equity income (loss)	$	25		$	(7	)	$	(3	)	$	1	$	16
Depreciation, depletion, and amortization		444			556			237			158		1,395
Income taxes		179			92			104			260		635
ATOI		607			481			266			539		1,893
2010
Sales:
Third-party sales	$	2,815		$	7,070		$	6,277		$	4,584	$	20,746
Intersegment sales		2,212			2,597			180			-		4,989
Total sales	$	5,027		$	9,667		$	6,457		$	4,584	$	25,735
Profit and loss:
Equity income	$	10		$	1		$	-		$	2	$	13
Depreciation, depletion, and amortization		406			571			238			154		1,369
Income taxes		60			96			92			195		443
ATOI		301			488			220			415		1,424
2009
Sales:
Third-party sales	$	2,161		$	5,252		$	6,069		$	4,689	$	18,171
Intersegment sales		1,534			1,836			113			-		3,483
Total sales	$	3,695		$	7,088		$	6,182		$	4,689	$	21,654
Profit and loss:
Equity income (loss)	$	8		$	(26	)	$	-		$	2	$	(16	)
Depreciation, depletion, and amortization		292			560			227			177		1,256
Income taxes		(22	)		(365	)		48			139		(200	)
ATOI		112			(612	)		(49	)		315		(234	)

2011
Assets:
Capital expenditures	$	371		$	463		$	157		$	173	$	1,164
Equity investments		450			925			123			-		1,498
Goodwill		11			991			208			2,666		3,876
Total assets		9,782			11,867			4,559			5,831		32,039
2010
Assets:
Capital expenditures	$	295		$	380		$	104		$	125	$	904
Equity investments		413			741			60			-		1,214
Goodwill		12			993			207			2,523		3,735
Total assets		9,967			11,947			4,522			5,434		31,870

Schedule Of Reconciliation Of Certain Segment Information To Consolidated Totals


	2011			2010			2009
Sales:
Total segment sales	$	30,826		$	25,735		$	21,654
Elimination of intersegment sales		(6,137	)		(4,989	)		(3,483	)
Corporate*		262			267			268
Consolidated sales	$	24,951		$	21,013		$	18,439

*	For all periods presented, the Corporate amount includes third-party sales of three soft alloy extrusion facilities located in Brazil.

Schedule Of Segment Reporting Information To Consolidate Net Income (Loss) Attributable To Alcoa


	2011			2010			2009
Net income (loss) attributable to Alcoa:
Total segment ATOI	$	1,893		$	1,424		$	(234	)
Unallocated amounts (net of tax):
Impact of LIFO		(38	)		(16	)		235
Interest expense		(340	)		(321	)		(306	)
Noncontrolling interests		(194	)		(138	)		(61	)
Corporate expense		(290	)		(291	)		(304	)
Restructuring and other charges		(196	)		(134	)		(155	)
Discontinued operations		(3	)		(8	)		(166	)
Other		(221	)		(262	)		(160	)
Consolidated net income (loss) attributable to Alcoa	$	611		$	254		$	(1,151	)

Schedule Of Segment Reporting Information To Consolidated Assets


December 31,	2011			2010
Assets:
Total segment assets	$	32,039		$	31,870
Elimination of intersegment receivables		(483	)		(471	)
Unallocated amounts:
Cash and cash equivalents		1,939			1,543
Deferred income taxes		3,738			3,400
Corporate goodwill		1,375			1,387
Corporate fixed assets, net		943			930
LIFO reserve		(801	)		(742	)
Other		1,370			1,376
Consolidated assets	$	40,120		$	39,293

Schedule Of Geographic Information For Sales


	2011		2010		2009
Sales:
U.S.*	$	12,295	$	10,560	$	9,546
Australia		3,587		2,842		2,287
Spain		1,487		1,234		1,099
Brazil		1,371		1,182		897
Netherlands**		1,025		940		1,002
Norway		927		809		477
France		825		662		669
Russia		761		584		383
Hungary		665		505		419
Italy		537		418		394
United Kingdom		412		331		379
China		283		188		156
Germany		229		231		260
Other		547		527		471
	$	24,951	$	21,013	$	18,439

*	Sales that occurred in the U.S. include a portion of alumina from Alcoa's refineries in Suriname, Brazil, Australia, and Jamaica and aluminum from the Company's smelters in Canada.

**	Sales that occurred in the Netherlands include aluminum from Alcoa's smelter in Iceland.

Schedule Of Geographic Information For Long-Lived Assets


December 31,	2011		2010
Long-lived assets:
Brazil	$	4,844	$	5,470
U.S.		4,573		4,528
Australia		3,390		3,380
Iceland		1,615		1,633
Canada		1,447		1,440
Norway		894		981
Russia		531		554
Spain		451		483
China		424		410
Jamaica		417		435
Other		830		869
	$	19,416	$	20,183

- Definition

Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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