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Divestitures, Discontinued Operations and Assets Held for Sale (Narrative) (Details) - USD ($) $ in Millions |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Apr. 01, 2021 | Oct. 01, 2020 | Jul. 27, 2020 | Jan. 31, 2020 | Nov. 04, 2019 | Apr. 02, 2021 | Apr. 03, 2020 | Mar. 29, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain on sale of business |  |  |  |  |  | $ 0 | $ 5,684 | $ 0
Gain on divestitures |  |  |  |  |  | 0 | 250 | 0
Income tax expense |  |  |  |  |  | 176 | 241 | 3
Income (loss) from discontinued operations |  |  |  |  |  | (142) | 3,309 | 141
Impairment of assets to be disposed of |  |  |  |  |  |  | 24 |
Proceeds from sale of properties held-for-sale | $ 100 |  | $ 118 |  |  |  |  |
Gain on sale of properties | $ 63 |  | $ 35 |  |  | 98 | 0 | 0
Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income (loss) from discontinued operations |  |  |  |  |  | (142) | 3,309 | 141
Revenue from discontinued operations |  |  |  |  |  | 1 | 1,368 | 2,288
Enterprise Security | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Consideration from sale of businesses, including discontinued operations |  |  |  |  | $ 10,700 |  |  |
Gain on sale of business |  |  |  |  | 5,434 |  |  |
Total net assets sold |  |  |  |  | 5,211 |  |  |
Assets sold |  |  |  |  | 7,121 |  |  |
Liabilities from divestiture of business |  |  |  |  | $ (1,910) |  |  |
Dedicated direct costs, net of charges, for transition services agreement |  |  |  |  |  | 9 | 19 |
Agreements, aggregate amount |  | $ 200 |  |  |  |  |  |
License period |  | 5 years 7 months 6 days |  |  |  |  |  |
ID Analytics | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Consideration from sale of businesses, including discontinued operations |  |  |  | $ 375 |  |  |  |
Total net assets sold |  |  |  | 125 |  |  |  |
Gain on divestitures |  |  |  | 250 |  |  |  |
Goodwill and net intangible assets sold |  |  |  | 114 |  |  |  |
Other assets sold, net of liabilities |  |  |  | 11 |  |  |  |
Income tax expense |  |  |  | $ 86 |  |  |  |
Veritas | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income (loss) from discontinued operations |  |  |  |  |  | $ 0 | $ 0 | 15
Revenue from discontinued operations |  |  |  |  |  |  |  | $ 13

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