Fair Value Input, Specific Company Risk Premium

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- Definition

Goodwill Impairment, Fair Value as Percentage of Carrying Value

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

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- Definition

Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

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-Section 50

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- Definition

Percentage above fair value that an investor seeking to acquire control of an entity will pay, used as an input to measure fair value.

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- Definition

Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA), used as an input to measure fair value.

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

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Market valuation of entity divided by revenue, used as an input to measure fair value.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Goodwill and Intangible Assets (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended				3 Months Ended
	Oct. 31, 2014	Aug. 01, 2014	Nov. 01, 2013	Oct. 31, 2014	Nov. 01, 2013	Oct. 31, 2014 NSS	Oct. 31, 2014 HES	Aug. 01, 2014 Health Solutions	Aug. 01, 2014 Health Solutions HES	Aug. 01, 2014 Engineering	Aug. 01, 2014 Engineering HES	Aug. 01, 2014 Market Approach Valuation Technique HES	Aug. 01, 2014 Market Approach Valuation Technique Health Solutions	Aug. 01, 2014 Market Approach Valuation Technique Engineering	Aug. 01, 2014 Income Approach Valuation Technique	Aug. 01, 2014 Income Approach Valuation Technique Health Solutions	Aug. 01, 2014 Income Approach Valuation Technique Engineering	Oct. 31, 2014 Reveal Imaging Technologies, Inc. [Member]	Aug. 02, 2013 Reveal Imaging Technologies, Inc. [Member]	Aug. 01, 2014 Vitalize and maxIT [Member]	Nov. 01, 2013 Vitalize and maxIT [Member]	Oct. 31, 2014 Plainfield
Goodwill [Line Items]
EBITDA multiple used for goodwill impairment test													6.0	6.8
Revenue multiple used for goodwill impairment test													0.5	0.4
Control premium												20.00%
Terminal value growth rate																3.00%	2.00%
WACC																12.00%	14.00%
Specific company risk premium															2.00%
Fair value as percentage of carrying value								62.00%		91.00%
Goodwill impairment charges	$ 0	$ 486	$ 0	$ 486	$ 0	$ 0	$ 486		$ 369		$ 117
Amortization expense related to amortizable intangible assets	3		7	13	29
Impairment loss for intangible assets	$ 17		$ 19	$ 41	$ 51													$ 14	$ 30	$ 24	$ 19	$ 3