Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Mar. 31, 2022 |
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| Changes in the carrying amount of goodwill by segment [Roll Forward] | ||
| Goodwill, beginning balance | $ 617 | |
| Divestitures | (12) | |
| Assets held for sale | (48) | |
| Foreign currency translation | (22) | |
| Goodwill, gross | 10,091 | $ 10,173 |
| Accumulated impairment losses | (9,556) | (9,556) |
| Goodwill, ending balance | 535 | |
| GBS | ||
| Changes in the carrying amount of goodwill by segment [Roll Forward] | ||
| Goodwill, beginning balance | 617 | |
| Divestitures | (12) | |
| Assets held for sale | (48) | |
| Foreign currency translation | (22) | |
| Goodwill, gross | 5,025 | 5,107 |
| Accumulated impairment losses | (4,490) | (4,490) |
| Goodwill, ending balance | 535 | |
| GIS | ||
| Changes in the carrying amount of goodwill by segment [Roll Forward] | ||
| Goodwill, beginning balance | 0 | |
| Divestitures | 0 | |
| Assets held for sale | 0 | |
| Foreign currency translation | 0 | |
| Goodwill, gross | 5,066 | 5,066 |
| Accumulated impairment losses | (5,066) | $ (5,066) |
| Goodwill, ending balance | $ 0 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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