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Related Parties and Related Commitments and Contingencies - Equity Investments (Details) - USD ($) $ in Millions | Jan. 01, 2021 | Jul. 03, 2020
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total notes receivable and investments in Flash Ventures | $ 1,858 | $ 1,875
Flash Partners Ltd |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable, related parties | 330 | 273
Investments | 214 | 203
Flash Alliance Ltd |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable, related parties | 197 | 301
Investments | 315 | 300
Flash Forward Ltd |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable, related parties | 666 | 670
Investments | 136 | 128
Flash Ventures |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total notes receivable and investments in Flash Ventures | $ 1,858 | $ 1,875

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