Goodwill (Tables)

12 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill by Segment

The following tables summarize the changes in the carrying amounts of goodwill, by segment, for the fiscal years ended March 31, 2019 and March 31, 2018, respectively:

(in millions)	GBS			GIS			Total
Balance as of March 31, 2018, net	4,531			3,088			7,619
Acquisitions	228			—			228
Divestitures	(12		)	—			(12		)
Foreign currency translation	(148		)	(81		)	(229		)
Goodwill, gross	5,300			5,068			10,368
Accumulated impairment losses	(701		)	(2,061		)	(2,762		)
Balance as of March 31, 2019, net	$	4,599		$	3,007		$	7,606

(in millions)	GBS			GIS			Total
Balance as of March 31, 2017, net	1,470			385			1,855
Acquisitions	2,877			2,598			5,475
Foreign currency translation	184			105			289
Goodwill, gross	5,232			5,149			10,381
Accumulated impairment losses	(701		)	(2,061		)	(2,762		)
Balance as of March 31, 2018, net	$	4,531		$	3,088		$	7,619