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Debt - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 28, 2019	Jun. 29, 2018	Feb. 28, 2018
Debt Instrument [Line Items]
Debt instrument, face amount	$ 10,694,000,000	$ 11,375,000,000
Issuance costs and debt discounts	172,000,000	203,000,000
Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Debt issuance costs, net	10,000,000
Debt instrument, face amount	4,834,000,000	4,991,000,000
Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Remaining borrowing capacity	2,250,000,000
Debt instrument, face amount	$ 0	500,000,000
Ratio of total adjusted EBITDA to interest expense, Minimum	3.50
Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Debt issuance costs, net	$ 1,000,000
Debt instrument, face amount	$ 2,425,000,000	2,449,000,000
1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	1.50%
4.750% senior unsecured notes due 2026
Debt Instrument [Line Items]
Debt issuance costs, net	$ 17,000,000
Debt instrument, face amount	$ 2,300,000,000	2,300,000,000	$ 2,300,000,000
Debt instrument, interest rate (percentage)	4.75%
0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Debt issuance costs, net	$ 2,000,000
Debt instrument, face amount	$ 35,000,000	35,000,000
Debt instrument, interest rate (percentage)	0.50%
Conversion ratio	10.9006
Shares converted (in shares)	2.6020
Conversion of stock, cash acquired	$ 735.79
Period Ending October 20, 2020 | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	4.25
Period Ending July 2, 2021 | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	4.00
Period ending December 31, 2021 | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	3.75
Period Ending July 1, 2022 | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	3.50
Period After July 1, 2022 | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	3.25
London Interbank Offered Rate (LIBOR) | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate, floor	0.00%
Effective interest rate, percent	3.90%
London Interbank Offered Rate (LIBOR) | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate, floor	0.00%
London Interbank Offered Rate (LIBOR) | Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate, floor	0.00%
Basis spread on variable rate	1.75%
Effective interest rate, percent	4.15%
Base Rate | Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Minimum | London Interbank Offered Rate (LIBOR) | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Minimum | London Interbank Offered Rate (LIBOR) | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Minimum | Base Rate | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
Minimum | Base Rate | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
Maximum | London Interbank Offered Rate (LIBOR) | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Maximum | London Interbank Offered Rate (LIBOR) | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Maximum | Base Rate | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Maximum | Base Rate | Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Debt Instrument, Redemption, Period One | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Quarterly principal payment, percent	1.25%
Debt Instrument, Redemption, Period One | Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Quarterly principal payment, percent	0.25%
Convertible Debt | 1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt issuance costs, net	$ 18,000,000
Debt instrument, face amount	$ 1,100,000,000	$ 1,100,000,000
Debt instrument, interest rate (percentage)	1.50%
Conversion price (in dollars per share)			$ 121.91
Convertible debt instrument, carrying amount of equity component	$ 165,000,000
Debt issuance costs	15,000,000
Excess capital	3,000,000
Issuance costs and debt discounts	$ 142,000,000
Convertible Debt | Measurement Input, Discount Rate | 1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt instrument. measurement input	0.04375

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