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Divestitures, Discontinued Operations and Assets Held for Sale - Narrative (Details) - USD ($) |  |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 14, 2021 | Apr. 01, 2021 | Oct. 01, 2020 | Jul. 27, 2020 | Mar. 31, 2023 | Apr. 02, 2021 | Sep. 30, 2022 | Apr. 01, 2022 | Nov. 04, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Consideration from sale of properties |  |  |  |  | $ 0 |  |  | $ 0 |
Assets held for sale reclassified to property and equipment |  |  |  |  |  |  | $ 26,000,000 |  |
Impairment of assets to be disposed of |  |  |  |  | 23,000,000 |  |  |  |
Other impairments |  |  |  |  | 0 |  |  |  |
Mountain View Buildings |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Assets held for sale reclassified to property and equipment |  |  |  |  |  |  | $ 26,000,000 |  |
Dublin Buildings |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Assets held for sale reclassified to property and equipment |  |  |  |  | $ 23,000,000 |  |  |  |
Discontinued Operations, Disposed of by Sale | Enterprise Security |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Consideration from sale of properties |  |  |  |  |  |  |  |  | $ 10,700,000,000
Agreements, aggregate amount |  |  | $ 200,000,000 |  |  |  |  |  |
License period |  |  | 5 years 7 months 6 days |  |  |  |  |  |
Dedicated direct costs, net of charges, for transition services agreement |  |  |  |  |  | $ 9,000,000 |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Culver City Property |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Consideration from sale of properties |  |  |  | $ 118,000,000 |  |  |  |  |
Gain on sale of properties |  |  |  | $ 35,000,000 |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Mountain View Buildings |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Consideration from sale of properties | $ 355,000,000 | $ 100,000,000 |  |  |  |  |  |  |
Gain on sale of properties | $ 175,000,000 | $ 63,000,000 |  |  |  |  |  |  |

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