Goodwill and Intangible Assets, Net (Tables)

9 Months Ended

Dec. 31, 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	2,810			22			2,832
Impairment	—			(290		)	(290		)
Amount reclassified to assets held for sale	(89		)	(1,071		)	(1,160		)
Goodwill allocated to disposed businesses	(35		)	—			(35		)
Acquisition accounting, transfers and other adjustments	(100		)	—			(100		)
Foreign currency translation adjustments, net	(415		)	(6		)	(421		)
Balance, December 31, 2016	$	10,158		$	454		$	10,612

Schedule of information regarding intangible assets

Information regarding intangible assets is as follows:

	December 31, 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	9	$	2,743	$	(1,225	)	$	1,518	$	2,652	$	(1,324	)	$	1,328
Service agreements	14	982		(300		)	682		959		(269		)	690
Pharmacy licenses	24	805		(141		)	664		857		(121		)	736
Trademarks and trade names	12	770		(111		)	659		314		(96		)	218
Technology	1	65		(63		)	2		195		(182		)	13
Other	5	199		(141		)	58		163		(127		)	36
Total		$	5,564	$	(1,981	)	$	3,583	$	5,140	$	(2,119	)	$	3,021