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Schedule of Debt (Detail Textual) - USD ($)	12 Months Ended
Schedule of Debt (Detail Textual) - USD ($)	Jun. 29, 2018	Jun. 30, 2017	Jun. 30, 2017	Jul. 01, 2016	May 31, 2018	Apr. 30, 2018	Feb. 28, 2018	Nov. 30, 2017	Nov. 29, 2017	May 31, 2017	Apr. 29, 2016
Debt Instrument [Line Items]
Repayments of debt	$ 17,074,000,000	$ 11,697,000,000		$ 2,313,000,000
Derivative, notional amount	4,370,000,000	2,790,000,000	$ 2,790,000,000
Debt instrument, face amount	11,375,000,000	13,356,000,000	13,356,000,000
Long-term debt, gross	11,375,000,000
Issuance costs and debt discounts	203,000,000	205,000,000	205,000,000
Cash premium on extinguishment of debt	(720,000,000)	0		$ 0
Gain (loss) on extinguishment of debt	(899,000,000)		(274,000,000)
Variable interest rate Term Loan A maturing 2021
Debt Instrument [Line Items]
Repayments of debt	4,020,000,000
Debt instrument, face amount	0	4,125,000,000	4,125,000,000
4.750% senior unsecured notes due 2026
Debt Instrument [Line Items]
Debt issuance costs, net	(20,000,000)
Debt instrument, face amount	$ 2,300,000,000	0	0				$ 2,300,000,000
Debt instrument, interest rate (percentage)	4.75%
7.375% senior secured notes due 2023
Debt Instrument [Line Items]
Repayments of debt	$ 1,875,000,000
Debt instrument, face amount	$ 0	1,875,000,000	1,875,000,000
Debt instrument, interest rate (percentage)	7.375%
10.50% senior unsecured notes due 2024
Debt Instrument [Line Items]
Repayments of debt	$ 3,350,000,000
Debt instrument, face amount	$ 0	3,350,000,000	3,350,000,000
Debt instrument, interest rate (percentage)	10.50%
1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	1.50%
Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Debt instrument, face amount								$ 2,960,000,000
Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							5,020,000,000
Debt issuance costs, net	$ (8,000,000)
Debt instrument, face amount	4,991,000,000	0	0
Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity											$ 2,250,000,000
Debt instrument, face amount	500,000,000	0	0
Make Whole Premiums
Debt Instrument [Line Items]
Cash premium on extinguishment of debt	720,000,000
Gain (loss) on extinguishment of debt	$ (179,000,000)
Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Required quarterly principal payment percent	0.25%
Debt issuance costs, net	$ (1,000,000)
Debt instrument, face amount	2,449,000,000	0	0		$ 2,460,000,000
0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Debt instrument, face amount	$ 35,000,000	35,000,000	35,000,000
Debt instrument, convertible, conversion ratio	0.0109006
Debt instrument, interest rate (percentage)	0.50%
Long-term debt, gross	$ 35,000,000
Conversion of stock, shares converted	2.6020
Conversion of stock, cash acquired	$ 735.79
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	$ 0	$ 0				$ 1,100,000,000
Debt instrument, interest rate (percentage)	1.50%
Debt instrument, convertible, conversion price (in dollar per share)							$ 121.91
Fair value inputs, discount rate (percentage)	4.375%
Debt instrument, convertible, carrying amount of equity component	$ 165,000,000
Debt issuance costs, noncurrent	(15,000,000)
Excess capital	(3,000,000)
Issuance costs and debt discounts	$ (169,000,000)
Revolving credit facility maturing 2023
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity									$ 1,500,000,000
London Interbank Offered Rate (LIBOR) \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Debt instrument, LIBOR floor	0.00%
London Interbank Offered Rate (LIBOR) \| Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Debt instrument, LIBOR floor	0.00%
Basis spread on variable rate	1.75%
Base Rate \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage	3.59%
Base Rate \| Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Debt instrument, interest rate, effective percentage	3.84%
Debt Instrument, Redemption, Period One \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Required quarterly principal payment percent	0.625%
Debt Instrument, Redemption, Period Two \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Required quarterly principal payment percent	1.25%
Revolving credit facility maturing 2023 \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Proceeds from (repayment of) revolving credit facility	$ 500,000,000
Line of credit facility, unused capacity, commitment fee percentage	0.25%
Line of credit facility, current borrowing capacity	$ 1,750,000,000
Revolving credit facility maturing 2023 \| Base Rate \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage	3.59%
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 \| Base Rate \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
Minimum \| Revolving credit facility maturing 2023 \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage	0.12%
Minimum \| Revolving credit facility maturing 2023 \| London Interbank Offered Rate (LIBOR) \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Minimum \| Revolving credit facility maturing 2023 \| Base Rate \| Variable interest rate U.S. Term Loan B-3 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 \| Base Rate \| Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Maximum \| Revolving credit facility maturing 2023 \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage	0.35%
Maximum \| Revolving credit facility maturing 2023 \| London Interbank Offered Rate (LIBOR) \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Maximum \| Revolving credit facility maturing 2023 \| Base Rate \| Variable interest rate U.S. Term Loan B-3 maturing 2023
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Interest rate swap contract \| Cash Flow Hedging
Debt Instrument [Line Items]
Derivative, notional amount						$ 1,000,000,000				$ 1,000,000,000
Monthly fixed interest rate						2.75%				1.66%