Debt (Summary of Components of Debt) (Details) - USD ($) $ in Millions	Dec. 30, 2016	Apr. 01, 2016
Debt Instrument [Line Items]
Total principal amount	$ 7,255	$ 2,250
Less: unamortized discount and issuance costs	(117)	(43)
Total debt	7,138	2,207
Less: current portion	(780)	0	[1]
Total long-term portion	$ 6,358	2,207	[1]
Senior Notes | 2.75% Senior Notes due June 15, 2017
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.75%
Total principal amount	$ 600	$ 600
Effective interest rate (as a percent)	2.79%	2.79%
Senior Notes | 4.2% Senior Notes due September 15, 2020
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.20%
Total principal amount	$ 750	$ 750
Effective interest rate (as a percent)	4.25%	4.25%
Senior Notes | 3.95% Senior Notes due June 15, 2022
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.95%
Total principal amount	$ 400	$ 400
Effective interest rate (as a percent)	4.05%	4.05%
Unsecured Debt | Senior Term Loan A-1 due May 10, 2019
Debt Instrument [Line Items]
Total principal amount	$ 1,000	$ 0
Effective interest rate (as a percent)		0.00%
Unsecured Debt | Senior Term Loan A-2 due August 1, 2019
Debt Instrument [Line Items]
Total principal amount	800
Unsecured Debt | Senior Term Loan A-3 due August 1, 2019
Debt Instrument [Line Items]
Total principal amount	200
Unsecured Debt | Senior Term Loan A-5 due August 1, 2021
Debt Instrument [Line Items]
Total principal amount	$ 1,755
Convertible Debt | 2.5% Convertible Senior Notes due April 1, 2021
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.50%
Total principal amount	$ 500	$ 500
Effective interest rate (as a percent)	3.76%	3.76%
Convertible Debt | 2.0% Convertible Senior Notes due August 15, 2021
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.00%
Total principal amount	$ 1,250
Effective interest rate (as a percent)	2.66%

[1] Derived from audited financial statements.