Long-Lived Assets (Tables)

12 Months Ended

Mar. 31, 2015

A summary of property and equipment was as follows:



	At March 31.
(in millions)	2015			2014
Land and buildings	$	190		$	222
Equipment, software developed for internal use, furniture and leasehold improvements	874			901
	1,064			1,123
Accumulated depreciation and amortization	(812		)	(828		)
Property and equipment, net	$	252		$	295

Capitalized software and other intangible assets

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

The gross carrying amounts and accumulated amortization for capitalized software and other intangible assets at March 31, 2014 were as follows:



	At March 31, 2014
(in millions)	Gross Amortizable Assets		Less: Fully Amortized Assets		Remaining Amortizable Assets		Accumulated Amortization on Remaining Amortizable Assets		Net Assets
Purchased software products	$	5,706	$	4,849	$	857	$	309	$	548
Internally developed software products	1,561		757		804		397		407
Other intangible assets	846		489		357		249		108
Total capitalized software and other intangible assets	$	8,113	$	6,095	$	2,018	$	955	$	1,063

Depreciation and amortization expense

A summary of depreciation and amortization expense was as follows:



	Year Ended March 31,
(in millions)	2015		2014		2013
Depreciation	$	71	$	84	$	104
Amortization of purchased software products	124		116		162
Amortization of internally developed software products	149		155		143
Amortization of other intangible assets	58		60		54
Total depreciation and amortization expense	$	402	$	415	$	463

Expected annual amortization expense over next five fiscal years

Based on the capitalized software and other intangible assets recognized at March 31, 2015, the annual amortization expense over the next five fiscal years is expected to be as follows:



	Year Ended March 31,
(in millions)	2016		2017		2018		2019		2020
Purchased software products	$	110	$	109	$	106	$	65	$	46
Internally developed software products	109		79		37		10		1
Other intangible assets	37		9		2		1		—
Total	$	256	$	197	$	145	$	76	$	47

Goodwill activity by segment

Goodwill activity by segment for fiscal years 2015 and 2014 was as follows:



(in millions)	Mainframe Solutions		Enterprise Solutions			Services		Total
Balance at March 31, 2013	$	4,178	$	1,605		$	81	$	5,864
Acquisitions	—		55			—		55
Foreign currency translation adjustment	—		3			—		3
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