Goodwill and Intangible Assets, Net (Tables)

9 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

Changes in the carrying amount of goodwill were as follows:

(In millions)	U.S. Pharmaceutical		International		Medical-Surgical Solutions		Prescription Technology Solutions		Total
Balance, March 31, 2020	$	3,924	$	1,443	$	2,453	$	1,540	$	9,360
Goodwill acquired	—		4		—		—		4
Acquisition accounting, transfers and other adjustments	—		—		—		2		2
Disposals	(1)		—		—		—		(1)
Impairment charges	—		(69)		—		—		(69)
Foreign currency translation adjustments, net	67		148		—		—		215
Balance, December 31, 2020	$	3,990	$	1,526	$	2,453	$	1,542	$	9,511

Schedule of information regarding intangible assets

Information regarding intangible assets is as follows:

	December 31, 2020							March 31, 2020
(Dollars in millions)	Weighted- Average Remaining Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	12	$	3,972	$	(2,318)	$	1,654	$	3,650	$	(1,950)	$	1,700
Service agreements	10	859		(402)		457		994		(480)		514
Pharmacy licenses	26	503		(240)		263		492		(232)		260
Trademarks and trade names	12	922		(379)		543		808		(242)		566
Technology	5	149		(118)		31		175		(111)		64
Other	5	255		(223)		32		273		(221)		52
Total		$	6,660	$	(3,680)	$	2,980	$	6,392	$	(3,236)	$	3,156