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Restructuring, Impairment, and Related Charges, Net - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Restructuring Reserve [Roll Forward] |  |
Beginning balance | $ 126 |
Restructuring, impairment, and related charges, net | 47 | $ 10
Non-cash charges | (2) |
Cash payments | (83) |
Ending balance | 88 |
Restructuring liabilities | 88 |
Operating Segments | U.S. Pharmaceutical |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 10 |
Restructuring, impairment, and related charges, net | 1 | 1
Non-cash charges | 0 |
Cash payments | (2) |
Ending balance | 9 |
Restructuring liabilities | 9 |
Operating Segments | Prescription Technology Solutions |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 1 |
Restructuring, impairment, and related charges, net | 0 | 4
Non-cash charges | 0 |
Cash payments | 0 |
Ending balance | 1 |
Restructuring liabilities | 1 |
Operating Segments | Medical-Surgical Solutions |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 90 |
Restructuring, impairment, and related charges, net | 17 | 3
Non-cash charges | 0 |
Cash payments | (50) |
Ending balance | 57 |
Restructuring liabilities | 57 |
Operating Segments | International |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 1 |
Restructuring, impairment, and related charges, net | 0 | 1
Non-cash charges | 0 |
Cash payments | 0 |
Ending balance | 1 |
Restructuring liabilities | 1 |
Corporate |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 24 |
Restructuring, impairment, and related charges, net | 29 | $ 1
Non-cash charges | (2) |
Cash payments | (31) |
Ending balance | 20 |
Restructuring liabilities | 20 |
Accrued Liabilities |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 103 |
Ending balance | 68 |
Restructuring liabilities | 68 |
Other Non-Current Liabilities |  |
Restructuring Reserve [Roll Forward] |  |
Beginning balance | 23 |
Ending balance | 20 |
Restructuring liabilities | $ 20 |

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