Fair Value Measurements and Investments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Oct. 02, 2020	Jul. 03, 2020
Assets:
Total assets at fair value	$ 885	$ 1,107
Liabilities:
Total liabilities at fair value	130	142
Level 1
Assets:
Total assets at fair value	861	1,079
Liabilities:
Total liabilities at fair value	0	0
Level 2
Assets:
Total assets at fair value	24	28
Liabilities:
Total liabilities at fair value	130	142
Level 3
Assets:
Total assets at fair value	0	0
Liabilities:
Total liabilities at fair value	0	0
Cash equivalents - Money market funds
Assets:
Cash equivalents - Money market funds	861	1,079
Cash equivalents - Money market funds | Level 1
Assets:
Cash equivalents - Money market funds	861	1,079
Cash equivalents - Money market funds | Level 2
Assets:
Cash equivalents - Money market funds	0	0
Cash equivalents - Money market funds | Level 3
Assets:
Cash equivalents - Money market funds	0	0
Foreign exchange contracts
Assets:
Foreign exchange contracts	24	28
Liabilities:
Derivative liability	10	9
Foreign exchange contracts | Level 1
Assets:
Foreign exchange contracts	0	0
Liabilities:
Derivative liability	0	0
Foreign exchange contracts | Level 2
Assets:
Foreign exchange contracts	24	28
Liabilities:
Derivative liability	10	9
Foreign exchange contracts | Level 3
Assets:
Foreign exchange contracts	0	0
Liabilities:
Derivative liability	0	0
Interest rate swap contracts
Liabilities:
Derivative liability	120	133
Interest rate swap contracts | Level 1
Liabilities:
Derivative liability	0	0
Interest rate swap contracts | Level 2
Liabilities:
Derivative liability	120	133
Interest rate swap contracts | Level 3
Liabilities:
Derivative liability	$ 0	$ 0