Debt (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Apr. 03, 2015	Mar. 28, 2014	Mar. 29, 2013	Apr. 01, 2011	Mar. 30, 2007
Debt Instrument [Line Items]
Debt issuance costs	$ 0	$ 0	$ 7,000,000
Proceeds from convertible note hedge	0	189,000,000	0
Maximum borrowing capacity under revolving loans	1,000,000,000
Senior Notes
Debt Instrument [Line Items]
Debt issued			1,000,000,000	1,100,000,000
Proceeds from issuance, net of issuance discount			996,000,000
Contractual interest expense	73,000,000	73,000,000	67,000,000
Debt issuance costs			6,000,000
Convertible Debt
Debt Instrument [Line Items]
Contractual interest expense	0	2,000,000	10,000,000
Amortization of debt discount	0	3,000,000	55,000,000
Proceeds from convertible note hedge		189,000,000
Warrant
Debt Instrument [Line Items]
Number of shares available to purchase under note hedge transactions					52.7
Conversion price					$ 27.1330
Dilutive impact from warrants on earnings per share		0
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity under revolving loans				1,000,000,000
Revolving credit facility expiration date				Jun. 07, 2017
Available borrowings under revolving loans	1,000,000,000	1,000,000,000
Amount outstanding	0	0
1.00% Convertible Senior Notes, Due June 2013 (1.00% Notes) | Convertible Debt
Debt Instrument [Line Items]
Stated interest rate (as a percent)		1.00%			1.00%
Settlement of notes by cash payment		1,000,000,000
Semi-annual interest payment		5,000,000
Conversion value above par value in cash		$ 189,000,000