Business Combinations (Tables)

6 Months Ended

Sep. 30, 2011

Business Combinations [Abstract]

Schedule Of Fair Value Of Consideration Paid

Cash	$	645
Equity		87
Total purchase price	$	732

Schedule Of Fair Values Of Assets Acquired And Liabilities Assumed

Current assets	$	62
Property and equipment, net		6
Goodwill		565
Finite-lived intangibles assets		302
Contingent consideration		(95	)
Deferred income taxes, net		(55	)
Other liabilities		(53	)
Total purchase price	$	732

Schedule Of Intangible Assets Acquired

	Gross Carrying Amount (in millions)		Weighted-Average Useful Life (in years)
Developed and core technology	$	245	6
Trade names and trademarks		40	9
In-process research and development		15	5
Other intangibles		2	4
Total finite-lived intangibles	$	302	6