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Discontinued Operations and Assets Held for Sale - Discontinued Operations Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 01, 2021 | Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2021 | Jan. 01, 2021 | Oct. 01, 2020
Other Commitments [Line Items] |  |  |  |  |  |
Dedicated directed costs |  | $ 9 | $ (5) | $ (165) | $ (62) |
Broadcom Enterprise |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Agreements, aggregate amount |  |  |  |  |  | $ 200
License agreement | 5 years 7 months 6 days |  |  |  |  |
Broadcom Enterprise | License and Service |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Dedicated directed costs |  |  | $ 0 |  | $ 9 |

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