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Commitments, Contingencies and Related Parties - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 29, 2019 | Mar. 29, 2019 | Jun. 29, 2018
Related Party Transactions [Abstract] |  |  |
Accounts payable to related parties | $ 312 | $ 312 | $ 259
Investment funding commitments | 50.00% | 50.00% |
Overhead incurred | $ 148 | $ 197 |
Western Digital Corp | Minimum |  |  |
Related Party Transactions [Abstract] |  |  |
Investment funding commitments | 49.90% | 49.90% |
Western Digital Corp | Maximum |  |  |
Related Party Transactions [Abstract] |  |  |
Investment funding commitments | 50.00% | 50.00% |
Equity Method Investee |  |  |
Related Party Transactions [Abstract] |  |  |
Payments for equity method investments | $ (1,039) | $ (2,900) |
Accounts payable to related parties | $ 312 | $ 312 | $ 259
Unis Venture |  |  |
Related Party Transactions [Abstract] |  |  |
Equity method investment, ownership percentage | 49.00% | 49.00% |
Unissoft (Wuxi) Group Co Ltd. | Unis Venture |  |  |
Related Party Transactions [Abstract] |  |  |
Partner's ownership in venture business | 51.00% | 51.00% |

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