Fair Value Measurements (Schedule Of The Carrying Value Of Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Millions	Jul. 01, 2011		Apr. 01, 2011
Money Market Funds [Member] | Level 1 [Member]
Total cash equivalents	$ 1,112	[1]	$ 1,866	[1]
Money Market Funds [Member] | Total [Member]
Total cash equivalents	1,112	[1]	1,866	[1]
Bank Securities And Deposits [Member] | Level 2 [Member]
Total cash equivalents	250	[2]	204	[2]
Bank Securities And Deposits [Member] | Total [Member]
Total cash equivalents	250	[2]	204	[2]
Level 1 [Member]
Total cash equivalents	1,112		1,866
Level 2 [Member]
Total cash equivalents	250		204
Total [Member]
Total cash equivalents	$ 1,362		$ 2,070

[1] Level 1 securities are based on quoted market prices of the identical underlying security.

[2] Level 2 securities are priced using quoted market prices for similar instruments and nonbinding market prices that are corroborated by observable market data.