v3.25.3

Goodwill and Intangible Assets, Net - Schedule of Information Regarding Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Mar. 31, 2025
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,140	$ 3,288
Accumulated Amortization	(1,920)	(1,824)
Net Carrying Amount	$ 4,220	1,464
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	10 years
Gross Carrying Amount	$ 1,510	1,475
Accumulated Amortization	(690)	(650)
Net Carrying Amount	$ 820	825
Service agreements
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	23 years
Gross Carrying Amount	$ 3,262	1,116
Accumulated Amortization	(759)	(728)
Net Carrying Amount	$ 2,503	388
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	20 years
Gross Carrying Amount	$ 570	378
Accumulated Amortization	(284)	(278)
Net Carrying Amount	$ 286	100
Provider Networks
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	22 years
Gross Carrying Amount	$ 360	0
Accumulated Amortization	(8)	0
Net Carrying Amount	$ 352	0
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	9 years
Gross Carrying Amount	$ 311	288
Accumulated Amortization	(150)	(141)
Net Carrying Amount	$ 161	147
Other
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Amortization Period (Years)	22 years
Gross Carrying Amount	$ 127	31
Accumulated Amortization	(29)	(27)
Net Carrying Amount	$ 98	$ 4

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MCKESSON CORP 10-Q