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Goodwill and Intangible Assets, Net - Schedule of Changes in the Carrying Amount of Goodwill and Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 9,358 |
Goodwill acquired |  |  | 56 |
Acquisition accounting, transfers and other adjustments |  |  | 12 |
Other changes/disposals |  |  | (6) |
Impairment charges | $ (2) | $ (21) | (2) | $ (591)
Foreign currency translation adjustments, net |  |  | 38 |
Ending balance | 9,456 |  | 9,456 |
U.S. Pharmaceutical and Specialty Solutions |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance |  |  | 4,078 |
Goodwill acquired |  |  | 0 |
Acquisition accounting, transfers and other adjustments |  |  | 1 |
Other changes/disposals |  |  | (1) |
Impairment charges |  |  | 0 |
Foreign currency translation adjustments, net |  |  | 0 |
Ending balance | 4,078 |  | 4,078 |
European Pharmaceutical Solutions |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance |  |  | 0 |
Goodwill acquired |  |  | 56 |
Acquisition accounting, transfers and other adjustments |  |  | 4 |
Other changes/disposals |  |  | 0 |
Impairment charges |  |  | 0 | $ (570)
Foreign currency translation adjustments, net |  |  | 3 |
Ending balance | 63 |  | 63 |
Medical-Surgical Solutions |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance |  |  | 2,451 |
Goodwill acquired |  |  | 0 |
Acquisition accounting, transfers and other adjustments |  |  | 7 |
Other changes/disposals |  |  | (5) |
Impairment charges |  |  | 0 |
Foreign currency translation adjustments, net |  |  | 0 |
Ending balance | 2,453 |  | 2,453 |
Other |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance |  |  | 2,829 |
Goodwill acquired |  |  | 0 |
Acquisition accounting, transfers and other adjustments |  |  | 0 |
Other changes/disposals |  |  | 0 |
Impairment charges |  |  | (2) |
Foreign currency translation adjustments, net |  |  | 35 |
Ending balance | $ 2,862 |  | $ 2,862 |

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