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Restructuring, Impairment, and Related Charges, Net - Summary of Restructuring Charges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | $ (1) | $ 2
Exit and other-related costs | 8 | 22
Asset impairments and accelerated depreciation | 3 | 28
Total | 10 | 52
Operating Segments | U.S. Pharmaceutical |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | 0 | 1
Exit and other-related costs | 0 | 1
Asset impairments and accelerated depreciation | 1 | 0
Total | 1 | 2
Operating Segments | Prescription Technology Solutions |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | 0 | 0
Exit and other-related costs | 3 | 2
Asset impairments and accelerated depreciation | 1 | 0
Total | 4 | 2
Operating Segments | Medical-Surgical Solutions |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | 0 | 0
Exit and other-related costs | 3 | 2
Asset impairments and accelerated depreciation | 0 | 0
Total | 3 | 2
Operating Segments | International |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | 0 | 0
Exit and other-related costs | 0 | 5
Asset impairments and accelerated depreciation | 1 | 1
Total | 1 | 6
Corporate |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance and employee-related costs, net | (1) | 1
Exit and other-related costs | 2 | 12
Asset impairments and accelerated depreciation | 0 | 27
Total | $ 1 | $ 40

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