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Balance Sheet Information (Summary of fair value and amortized cost of investments, by major type) (Details) - USD ($) $ in Millions | Apr. 02, 2021 | Jul. 03, 2020
--- | --- | ---
Available-for-sale debt securities: |  |
Amortized Cost | $ 550 | $ 569
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 550 | 569
Cash and cash equivalents [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 530 | 549
Other current assets [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 2 | 2
Other Assets [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 18 | 18
Money market funds [Member] |  |
Available-for-sale debt securities: |  |
Amortized Cost | 531 | 495
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 531 | 495
Time deposits and certificates of deposit [Member] |  |
Available-for-sale debt securities: |  |
Amortized Cost | 1 | 56
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 1 | $ 56
Other debt securities |  |
Available-for-sale debt securities: |  |
Amortized Cost | 18 |
Unrealized Gain/(Loss) | 0 |
Fair Value | $ 18 |

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