Stockholders' Equity (Tables)

6 Months Ended

Sep. 30, 2011

Stockholders' Equity [Abstract]

Components of comprehensive income

	Three Months					Six Months
	Ended September 30,					Ended September 30,
	2011			2010		2011			2010
				(in millions)
Net income	$	236		$	222	$	477		$	439
Net unrealized gain on cash flow hedges, net of tax		—			1		—			2
Foreign currency translation adjustments		(85	)		74		(68	)		40
Total comprehensive income	$	151		$	297	$	409		$	481

Cash Dividends

Six Months Ended September 30, 2011:
(in millions, except per share amounts)

Declaration Date	Dividend Per Share		Record Date	Total Amount		Payment Date
May 12, 2011	$	0.05	May 23, 2011	$	25	June 16, 2011
August 3, 2011	$	0.05	August 16, 2011	$	25	September 14, 2011

Six Months Ended September 30, 2010:
(in millions, except per share amounts)

Declaration Date	Dividend Per Share		Record Date	Total Amount		Payment Date
May 12, 2010	$	0.04	May 31, 2010	$	21	June 16, 2010
July 28, 2010	$	0.04	August 9, 2010	$	20	August 19, 2010