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Goodwill and Intangible Assets, Net - Schedule of Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Goodwill [Roll Forward] |  |  |
Goodwill, beginning balance | $ 9,493 | $ 9,360 |
Goodwill acquired | 5 | 5 |
Acquisition accounting, transfers, and other adjustments |  | 2 |
Other changes/disposals |  | (1) |
Impairment charges | 0 | (69) | $ (2)
Foreign currency translation adjustments, net | (47) | 196 |
Goodwill, ending balance | 9,451 | 9,493 | 9,360
U.S. Pharmaceutical |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, beginning balance | 3,963 | 3,924 |
Goodwill acquired | 0 | 0 |
Acquisition accounting, transfers, and other adjustments |  | 0 |
Other changes/disposals |  | (1) |
Impairment charges |  | 0 |
Foreign currency translation adjustments, net | (40) | 40 |
Goodwill, ending balance | 3,923 | 3,963 | 3,924
Prescription Technology Solutions |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, beginning balance | 1,542 | 1,540 |
Goodwill acquired | 0 | 0 |
Acquisition accounting, transfers, and other adjustments |  | 2 |
Other changes/disposals |  | 0 |
Impairment charges |  | 0 |
Foreign currency translation adjustments, net | 0 | 0 |
Goodwill, ending balance | 1,542 | 1,542 | 1,540
Medical-Surgical Solutions |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, beginning balance | 2,453 | 2,453 |
Goodwill acquired | 0 | 0 |
Acquisition accounting, transfers, and other adjustments |  | 0 |
Other changes/disposals |  | 0 |
Impairment charges |  | 0 |
Foreign currency translation adjustments, net | 0 | 0 |
Goodwill, ending balance | 2,453 | 2,453 | 2,453
International |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, beginning balance | 1,535 | 1,443 |
Goodwill acquired | 5 | 5 |
Acquisition accounting, transfers, and other adjustments |  | 0 |
Other changes/disposals |  | 0 |
Impairment charges |  | (69) |
Foreign currency translation adjustments, net | (7) | 156 |
Goodwill, ending balance | $ 1,533 | $ 1,535 | $ 1,443

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