Goodwill and Intangible Assets, Net (Tables)

6 Months Ended

Sep. 30, 2016

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)	Distribution Solutions			Technology Solutions			Total
Balance, March 31, 2016	$	7,987		$	1,799		$	9,786
Goodwill acquired	1,597			22			1,619
Impairment	—			(290		)	(290		)
Amount reclassified to assets held for sale	—			(1,075		)	(1,075		)
Acquisition accounting, transfers and other adjustments	(143		)	—			(143		)
Foreign currency translation adjustments, net	(202		)	(2		)	(204		)
Balance, September 30, 2016	$	9,239		$	454		$	9,693

Schedule of information regarding intangible assets

Information regarding intangible assets is as follows:

	September 30, 2016								March 31, 2016
(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	8	$	2,435	$	(1,182	)	$	1,253	$	2,652	$	(1,324	)	$	1,328
Service agreements	14	955		(287		)	668		959		(269		)	690
Pharmacy licenses	24	836		(134		)	702		857		(121		)	736
Trademarks and trade names	14	475		(99		)	376		314		(96		)	218
Technology	1	66		(62		)	4		195		(182		)	13
Other	5	203		(145		)	58		163		(127		)	36
Total		$	4,970	$	(1,909	)	$	3,061	$	5,140	$	(2,119	)	$	3,021