Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Reconciliation of Information Used to Compute Basic and Diluted EPS

The information used to compute basic and diluted EPS attributable to Alcoa common shareholders was as follows (shares in millions):

	2013			2012		2011
(Loss) income from continuing operations attributable to Alcoa common shareholders	$	(2,285	)	$	191	$	614
Less: preferred stock dividends declared		2			2		2
(Loss) income from continuing operations available to common equity		(2,287	)		189		612
Less: dividends and undistributed earnings allocated to participating securities		-			-		1
(Loss) income from continuing operations available to Alcoa common shareholders—basic		(2,287	)		189		611
Add: interest expense related to convertible notes		-			-		30
(Loss) income from continuing operations available to Alcoa common shareholders—diluted	$	(2,287	)	$	189	$	641
Average shares outstanding—basic		1,070			1,067		1,061
Effect of dilutive securities:
Stock options		-			3		7
Stock and performance awards		-			6		4
Convertible notes		-			-		89
Average shares outstanding—diluted		1,070			1,076		1,161