Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Schedule Of Components Of Long-Term Debt, Interest Rates, Payment Dates) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Feb. 09, 2017
Debt Instrument [Line Items]
Principal amount	$ 8,310	$ 2,250
Less: unamortized discount and issuance costs	(124)	(43)
Total debt	8,186	2,207
Less: current portion	(1,310)	0
Long-term debt	$ 6,876	$ 2,207
2.75% Senior Notes, Due September 2015 (2.75% Notes) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.75%
Maturity date	Sep. 15, 2015	Sep. 15, 2015
2.75% Senior Notes, Due June 15, 2017 (2.75% Notes) \| Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 600	$ 600
Effective interest rate (as a percent)	2.79%
Stated interest rate (as a percent)	2.75%
Maturity date	Jun. 15, 2017	Jun. 15, 2017
Senior Term Loan A-1 Facility Due May 10, 2019 \| Senior Term Loans
Debt Instrument [Line Items]
Principal amount	$ 1,000
Senior Term Loan A-2 due August 1, 2019 \| Senior Term Loans
Debt Instrument [Line Items]
Principal amount	800
Senior Term Loan A-3 due August 1, 2019 \| Senior Term Loans
Debt Instrument [Line Items]
Principal amount	200
4.20% Senior Notes, Due September 2020 (4.20% Notes) \| Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 750	$ 750
Effective interest rate (as a percent)	4.25%
Stated interest rate (as a percent)	4.20%
Maturity date	Sep. 15, 2020	Sep. 15, 2020
3.95% Senior Notes, Due June 15, 2022 (3.95% Notes) \| Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 400	$ 400
Effective interest rate (as a percent)	4.05%
Stated interest rate (as a percent)	3.95%
Maturity date	Jun. 15, 2022	Jun. 15, 2022
2.50% Convertible Senior Notes, Due April 1, 2021 (2.50% Notes) \| Convertible Debt
Debt Instrument [Line Items]
Principal amount	$ 500	$ 500
Effective interest rate (as a percent)	3.76%
Stated interest rate (as a percent)	2.50%
Maturity date	Apr. 01, 2021	Apr. 01, 2021
Senior Term Loan A-5 due August 1, 2021 \| Senior Term Loans
Debt Instrument [Line Items]
Principal amount	$ 1,710
2.0% Convertible Senior Notes due August 15, 2021 \| Convertible Debt
Debt Instrument [Line Items]
Principal amount	$ 1,250
Effective interest rate (as a percent)	2.66%
Stated interest rate (as a percent)	2.00%
5.0% Senior Notes Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 1,100		$ 1,100
Effective interest rate (as a percent)	5.23%
Stated interest rate (as a percent)	5.00%		5.00%