Debt (Summary of Components of Debt) (Details) - USD ($) $ in Millions	Jun. 29, 2018	Mar. 30, 2018
Debt Instrument [Line Items]
Total principal amount	$ 5,100	$ 5,100
Less: unamortized discount and issuance costs	(68)	(74)
Total debt	5,032	5,026
Senior Notes \| 4.2% Senior Notes due September 15, 2020
Debt Instrument [Line Items]
Total principal amount	$ 750	750
Stated interest rate (as a percent)	4.20%
Effective interest rate	4.25%
Senior Notes \| 3.95% Senior Notes due June 15, 2022
Debt Instrument [Line Items]
Total principal amount	$ 400	400
Stated interest rate (as a percent)	3.95%
Effective interest rate	4.05%
Senior Notes \| 5.0% Senior Notes due April 15, 2025
Debt Instrument [Line Items]
Total principal amount	$ 1,100	1,100
Stated interest rate (as a percent)	5.00%
Effective interest rate	5.23%
Unsecured Debt \| Senior Term Loan A-2 due August 1, 2019
Debt Instrument [Line Items]
Total principal amount	$ 600	$ 600
Interest rate	3.88%	3.31%
Unsecured Debt \| Senior Term Loan A-5 due August 1, 2021
Debt Instrument [Line Items]
Total principal amount	$ 500	$ 500
Interest rate	4.08%	3.54%
Convertible Debt \| 2.5% Convertible Senior Notes due April 1, 2021
Debt Instrument [Line Items]
Total principal amount	$ 500	$ 500
Stated interest rate (as a percent)	2.50%
Effective interest rate	3.76%
Convertible Debt \| 2.0% Convertible Senior Notes due August 15, 2021
Debt Instrument [Line Items]
Total principal amount	$ 1,250	$ 1,250
Stated interest rate (as a percent)	2.00%
Effective interest rate	2.66%

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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