Long-Lived Assets (Tables)

12 Months Ended

Mar. 31, 2016

Long-Lived Assets [Abstract]

Property and equipment

A summary of property and equipment was as follows:

	At March 31.
(in millions)	2016			2015
Land and buildings	$	188		$	190
Equipment, software developed for internal use, furniture and leasehold improvements	886			874
	$	1,074		$	1,064
Accumulated depreciation and amortization	(832		)	(812		)
Property and equipment, net	$	242		$	252

Capitalized software and other intangible assets

The gross carrying amounts and accumulated amortization for capitalized software and other intangible assets at March 31, 2016 were as follows:

	At March 31, 2016
(in millions)	Gross Amortizable Assets		Less: Fully Amortized Assets		Remaining Amortizable Assets		Accumulated Amortization on Remaining Amortizable Assets		Net Assets
Purchased software products	$	5,990	$	4,865	$	1,125	$	552	$	573
Internally developed software products	1,467		1,009		458		333		125
Other intangible assets	927		728		199		102		97
Total capitalized software and other intangible assets	$	8,384	$	6,602	$	1,782	$	987	$	795

The gross carrying amounts and accumulated amortization for capitalized software and other intangible assets at March 31, 2015 were as follows:

	At March 31, 2015
(in millions)	Gross Amortizable Assets		Less: Fully Amortized Assets		Remaining Amortizable Assets		Accumulated Amortization on Remaining Amortizable Assets		Net Assets
Purchased software products	$	5,717	$	4,859	$	858	$	413	$	445
Internally developed software products	1,486		835		651		414		237
Other intangible assets	836		556		280		231		49
Total capitalized software and other intangible assets	$	8,039	$	6,250	$	1,789	$	1,058	$	731

Depreciation and amortization expense

A summary of depreciation and amortization expense was as follows:

	Year Ended March 31,
(in millions)	2016		2015		2014
Depreciation	$	62	$	71	$	84
Amortization of purchased software products	146		124		116
Amortization of internally developed software products	110		149		155
Amortization of other intangible assets	44		58		60
Total depreciation and amortization expense	$	362	$	402	$	415

Expected annual amortization expense over next five fiscal years

Based on the capitalized software and other intangible assets recognized at March 31, 2016, the annual amortization expense over the next five fiscal years is expected to be as follows:

	Year Ended March 31,
(in millions)	2017		2018		2019		2020		2021
Purchased software products	$	153	$	145	$	105	$	85	$	43
Internally developed software products	79		36		9		1		—
Other intangible assets	16		8		7		6		6
Total	$	248	$	189	$	121	$	92	$	49

Goodwill activity by segment

Goodwill activity by segment for fiscal years 2016 and 2015 was as follows:

(in millions)	Mainframe Solutions		Enterprise Solutions			Services		Total
Balance at March 31, 2014	$	4,178	$	1,663		$	81	$	5,922
Divestitures	—		(109		)	—		(109		)
Foreign currency translation adjustment	—		(7		)	—		(7		)
Balance at March 31, 2015	$	4,178	$	1,547		$	81	$	5,806
Acquisitions	—		316			—		316
Divestitures	—		(36		)	—		(36		)
Balance at March 31, 2016	$	4,178	$	1,827		$	81	$	6,086