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v3.21.2

Related Parties and Related Commitments and Contingencies - Additional Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Oct. 01, 2021 USD ($) entity | Oct. 02, 2020 USD ($) | Jan. 01, 2021 | Jul. 02, 2021 USD ($)
Guarantor Obligations [Line Items] |  |  |  |
Number of legal entities | entity | 3 |  |  |
Accounts payable to related parties | $ 378 |  |  | $ 398
Investment funding commitments | 50.00% |  |  |
Insurance recovery recorded in Cost of revenue |  | $ 30 |  |
Western Digital Corp | Minimum |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Investment funding commitments | 49.90% |  |  |
Western Digital Corp | Maximum |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Investment funding commitments | 50.00% |  |  |
Flash Ventures |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Investments in Flash Ventures | $ 1,190 | $ 981 |  |
Accounts payable to related parties | $ 378 |  |  | $ 398
Unis Venture |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Equity method investment, ownership percentage | 49.00% |  |  |
Unissoft (Wuxi) Group Co Ltd. | Unis Venture |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Partner's ownership in venture business | 51.00% |  |  |
Revenue from Contract with Customer | Unis Venture | Product Concentration Risk |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Concentration risk, percentage | 5.00% | 2.00% |  |
Accounts Receivable Benchmark | Product Concentration Risk | Unis Venture |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Concentration risk, percentage | 7.00% |  | 6.00% |

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