Fair Value Measurements and Investments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Jun. 28, 2019	Jun. 29, 2018
ASSETS
Cash equivalents:	$ 1,405	$ 2,558
Short-term available-for-sale securities:		23
Long-term available-for-sale securities:		93
Total assets at fair value	1,451	2,741
Liabilities:
Total liabilities fair value	105
Level 1
ASSETS
Cash equivalents:	1,388	2,554
Short-term available-for-sale securities:		5
Long-term available-for-sale securities:		3
Total assets at fair value	1,388	2,562
Liabilities:
Total liabilities fair value	0
Level 2
ASSETS
Cash equivalents:	17	4
Short-term available-for-sale securities:		18
Long-term available-for-sale securities:		90
Total assets at fair value	63	179
Liabilities:
Total liabilities fair value	105
Level 3
ASSETS
Cash equivalents:	0	0
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Total assets at fair value	0	0
Liabilities:
Total liabilities fair value	0
Money market funds
ASSETS
Cash equivalents:	1,388	2,554
Money market funds \| Level 1
ASSETS
Cash equivalents:	1,388	2,554
Money market funds \| Level 2
ASSETS
Cash equivalents:	0	0
Money market funds \| Level 3
ASSETS
Cash equivalents:	0	0
Certificates of deposit
ASSETS
Cash equivalents:	17	4
Certificates of deposit \| Level 1
ASSETS
Cash equivalents:	0	0
Certificates of deposit \| Level 2
ASSETS
Cash equivalents:	17	4
Certificates of deposit \| Level 3
ASSETS
Cash equivalents:	0	0
Corporate notes and bonds
ASSETS
Short-term available-for-sale securities:		12
Long-term available-for-sale securities:		65
Corporate notes and bonds \| Level 1
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Corporate notes and bonds \| Level 2
ASSETS
Short-term available-for-sale securities:		12
Long-term available-for-sale securities:		65
Corporate notes and bonds \| Level 3
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Asset-backed securities
ASSETS
Short-term available-for-sale securities:		4
Long-term available-for-sale securities:		8
Asset-backed securities \| Level 1
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Asset-backed securities \| Level 2
ASSETS
Short-term available-for-sale securities:		4
Long-term available-for-sale securities:		8
Asset-backed securities \| Level 3
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Municipal notes and bonds
ASSETS
Short-term available-for-sale securities:		2
Long-term available-for-sale securities:		11
Municipal notes and bonds \| Level 1
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Municipal notes and bonds \| Level 2
ASSETS
Short-term available-for-sale securities:		2
Long-term available-for-sale securities:		11
Municipal notes and bonds \| Level 3
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
Equity securities
ASSETS
Short-term available-for-sale securities:		2
Equity securities \| Level 1
ASSETS
Short-term available-for-sale securities:		2
Equity securities \| Level 2
ASSETS
Short-term available-for-sale securities:		0
Equity securities \| Level 3
ASSETS
Short-term available-for-sale securities:		0
U.S. Treasury securities
ASSETS
Short-term available-for-sale securities:		3
Long-term available-for-sale securities:		3
U.S. Treasury securities \| Level 1
ASSETS
Short-term available-for-sale securities:		3
Long-term available-for-sale securities:		3
U.S. Treasury securities \| Level 2
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
U.S. Treasury securities \| Level 3
ASSETS
Short-term available-for-sale securities:		0
Long-term available-for-sale securities:		0
U.S. Government agency securities
ASSETS
Long-term available-for-sale securities:		5
U.S. Government agency securities \| Level 1
ASSETS
Long-term available-for-sale securities:		0
U.S. Government agency securities \| Level 2
ASSETS
Long-term available-for-sale securities:		5
U.S. Government agency securities \| Level 3
ASSETS
Long-term available-for-sale securities:		0
International government securities
ASSETS
Long-term available-for-sale securities:		1
International government securities \| Level 1
ASSETS
Long-term available-for-sale securities:		0
International government securities \| Level 2
ASSETS
Long-term available-for-sale securities:		1
International government securities \| Level 3
ASSETS
Long-term available-for-sale securities:		0
Foreign exchange contracts
ASSETS
Foreign exchange contracts	44	51
Liabilities:
Derivative liability	40	28
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	44	51
Liabilities:
Derivative liability	40	28
Foreign exchange contracts \| Level 3
ASSETS
Foreign exchange contracts	0	0
Liabilities:
Derivative liability	0	0
Interest rate swap contracts
ASSETS
Foreign exchange contracts	2	16
Liabilities:
Derivative liability	65
Interest rate swap contracts \| Level 1
ASSETS
Foreign exchange contracts	0	0
Liabilities:
Derivative liability	0
Interest rate swap contracts \| Level 2
ASSETS
Foreign exchange contracts	2	16
Liabilities:
Derivative liability	65
Interest rate swap contracts \| Level 3
ASSETS
Foreign exchange contracts	0	$ 0
Liabilities:
Derivative liability	$ 0

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