Goodwill and Intangible Assets (Tables)

9 Months Ended

Oct. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying value of goodwill for NSS and HES were as follows:

	NSS		HES			Total
	(in millions)
Goodwill at January 31, 2014	$	788	$	905		$	1,693
Goodwill impairment charges	—		(486		)	(486		)
Goodwill at October 31, 2014	$	788	$	419		$	1,207

Schedule of Intangible Assets Including Estimates of Assets Acquired

Intangible assets consisted of the following:

	October 31, 2014							January 31, 2014
	Gross carrying value		Accumulated amortization			Net carrying value		Gross carrying value		Accumulated amortization			Net carrying value
	(in millions)
Finite-lived intangible assets:
Customer relationships	$	70	$	(56	)	$	14	$	94	$	(47	)	$	47
Software and technology	52		(40		)	12		65		(36		)	29
Other	—		—			—		4		(1		)	3
Total finite-lived intangible assets	122		(96		)	26		163		(84		)	79
Indefinite-lived intangible assets:
In-process research and development	9		—			9		10		—			10
Trade names	4		—			4		4		—			4
Total indefinite-lived intangible assets	13		—			13		14		—			14
Total intangible assets	$	135	$	(96	)	$	39	$	177	$	(84	)	$	93

Schedule of Amortization Expense for Finite-Lived Intangible Assets

The estimated annual amortization expense related to finite-lived intangible assets as of October 31, 2014 was as follows:

Fiscal Year Ending January 31
	(in millions)
2015 (remainder of the fiscal year)	$	2
2016	8
2017	7
2018	5
2019	3
2020 and thereafter	1
	$	26