Goodwill and Intangible Assets, Net

3 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill were as follows:


(In millions)	U.S. Pharmaceutical and Specialty Solutions		European Pharmaceutical Solutions		Medical-Surgical Solutions		Other		Total
Balance, March 31, 2020	$	4,067	$	63	$	2,453	$	2,777	$	9,360
Goodwill acquired	—		1		—		—		1



Foreign currency translation adjustments, net	12		1		—		45		58
Balance, June 30, 2020	$	4,079	$	65	$	2,453	$	2,822	$	9,419

Information regarding intangible assets is as follows:


	June 30, 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	11	$	3,679	$	(2,025)	$	1,654	$	3,650	$	(1,950)	$	1,700
Service agreements	10	1,002		(497)		505		994		(480)		514
Pharmacy licenses	26	497		(240)		257		492		(232)		260
Trademarks and trade names	12	826		(259)		567		808		(242)		566
Technology	3	177		(117)		60		175		(111)		64
Other	5	272		(225)		47		273		(221)		52
Total		$	6,453	$	(3,363)	$	3,090	$	6,392	$	(3,236)	$	3,156

Amortization expense of intangible assets was $106 million and $112 million for the three months ended June 30, 2020 and 2019, respectively. Estimated amortization expense of these assets is as follows: $361 million, $355 million, $254 million, $237 million, and $234 million for the remainder of 2021 and each of the succeeding years through 2025 and $1.6 billion thereafter. All intangible assets were subject to amortization as of June 30, 2020 and March 31, 2020.