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Balance Sheet Information (Summary of fair value and amortized cost of investments, by major type) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Jul. 02, 2021
--- | --- | ---
Available-for-sale debt securities: |  |
Amortized Cost | $ 472 | $ 571
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 472 | 571
Cash and cash equivalents [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 434 | 551
Other current assets [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 36 | 2
Other Assets [Member] |  |
Available-for-sale debt securities: |  |
Fair Value | 2 | 18
Money market funds [Member] |  |
Available-for-sale debt securities: |  |
Amortized Cost | 435 | 552
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 435 | 552
Time deposits and certificates of deposit [Member] |  |
Available-for-sale debt securities: |  |
Amortized Cost | 1 | 1
Unrealized Gain/(Loss) | 0 | 0
Fair Value | 1 | 1
Other debt securities |  |
Available-for-sale debt securities: |  |
Amortized Cost | 36 | 18
Unrealized Gain/(Loss) | 0 | 0
Fair Value | $ 36 | $ 18

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