Employee Benefits and Stock-Based Compensation (Schedule Of Stock Options Activity) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 29, 2013
Employee Benefits And Stock-Based Compensation [Abstract]
Outstanding	41
Granted
Exercised	(13)
Forfeited	(1)
Expired	(9)
Outstanding	18
Exercisable at March 29, 2013	16
Vested and expected to vest at March 29, 2013	18
Weighted-average exercise price, outstanding	$ 18.98
Weighted-average exercise price, granted
Weighted-average exercise price, exercised	$ 16.10
Weighted-average exercise price, forfeited	$ 15.74
Weighted-average exercise price, expired	$ 21.97
Weighted-average exercise price, outstanding	$ 19.86
Weighted-average exercise price, exercisable at March 29, 2013	$ 20.41
Weighted-average exercise price, vested and expected to vest at March 29, 2013	$ 19.90
Weighted-average remaining years	2 years
Weighted-average remaining years, exercisable at March 29, 2013	1 year 7 months 6 days
Weighted-average remaining years, vested and expected to vest at March 29, 2013	1 year 10 months 24 days
Aggregate intrinsic value	$ 102	[1]
Aggregate intrinsic value, exercisable at March 29, 2013	82	[1]
Aggregate intrinsic value, vested and expected to vest at March 29, 2013	$ 101	[1]
Closing stock price	$ 24.68

[1] Intrinsic value is calculated as the difference between the market value of our common stock as of the last trading day of the fiscal year and the exercise price of the option. The aggregate intrinsic value of options outstanding and exercisable includes options with an exercise price below $24.68, the closing price of our common stock on the last trading day of the fiscal year, as reported by the NASDAQ Global Select Market.