Goodwill and Intangible Assets, Net - Goodwill Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Retail Pharmacy Reporting Unit \| International
Goodwill [Line Items]
Goodwill impairment charge	$ 700	$ 700

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details