Earnings Per Common Share (Tables)

6 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Basic And Diluted Earnings Per Common Share

	Quarter Ended September 30,					Six Months Ended September 30,
(In millions, except per share amounts)	2013			2012		2013			2012
Income from continuing operations	$	416		$	399	$	836		$	778
Income (loss) from discontinued operations, net of tax	(12		)	2		(8		)	3
Net income	$	404		$	401	$	828		$	781
Weighted average common shares outstanding:
Basic	229			236		228			236
Effect of dilutive securities:
Options to purchase common stock	2			1		1			1
Restricted stock units	2			3		3			3
Diluted	233			240		232			240
Earnings (loss) per common share: (1)
Diluted
Continuing operations	$	1.79		$	1.66	$	3.60		$	3.24
Discontinued operations	(0.05		)	0.01		(0.04		)	0.01
Total	$	1.74		$	1.67	$	3.56		$	3.25
Basic
Continuing operations	$	1.82		$	1.69	$	3.67		$	3.30
Discontinued operations	(0.06		)	0.01		(0.04		)	0.01
Total	$	1.76		$	1.70	$	3.63		$	3.31

(1) Certain computations may reflect rounding adjustments.