Income from Continuing Operations Per Common Share (Tables)

6 Months Ended

Sep. 30, 2011

Income From Continuing Operations Per Common Share [Abstract]

Reconciliation of earnings per common share

	Three						Six
	Months Ended						Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(in millions, except per share amounts)
Basic income from continuing operations per common share:
Income from continuing operations	$	236		$	219		$	464		$	440
Less: Income from continuing operations allocable to participating securities		(3	)		(3	)		(6	)		(5	)
Income from continuing operations allocable to common shares	$	233		$	216		$	458		$	435
Weighted-average common shares outstanding		493			507			497			508
Basic income from continuing operations per common share	$	0.47		$	0.43		$	0.92		$	0.85
Diluted income from continuing operations per common share:
Income from continuing operations	$	236		$	219		$	464		$	440
Less: Income from continuing operations allocable to participating securities		(3	)		(3	)		(6	)		(5	)
Income from continuing operations allocable to common shares	$	233		$	216		$	458		$	435
Weighted average shares outstanding and common share equivalents
Weighted average common shares outstanding		493			507			497			508
Weighted average effect of share-based payment awards		1			1			1			1
Denominator in calculation of diluted income per share		494			508			498			509
Diluted income from continuing operations per common share	$	0.47		$	0.43		$	0.92		$	0.85