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Restructuring and Other Costs - Schedule of Restructuring and other costs (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2021 | Jan. 01, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | $ 12 | $ 1 | $ 24 | $ 142
Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | 12 | 1 | 24 | 142
Discontinued operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs |  |  |  | 66
Severance and termination benefit costs | Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | 1 | 0 | 5 | 18
Severance and termination benefit costs | Discontinued operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs |  |  |  | 64
Contract cancellation charges | Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | 1 | 0 | 2 | 49
Stock-based compensation charges | Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | 0 | 1 | 0 | 9
Asset write-offs | Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | 0 | 0 | 0 | 58
Other exit and disposal costs | Continuing Operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs | $ 10 | $ 0 | $ 17 | 8
Separation costs | Discontinued operations |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, transition and other costs |  |  |  | $ 2

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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