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Income Taxes - Additional information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Effective tax rate	(2.20%)	(26.70%)
Impairment of goodwill, acquired intangibles and other assets	$ 76
Non-deductible goodwill	57
Impairment of intangible assets, indefinite-lived (excluding goodwill)	19
Deferred income taxes	6
Income tax expense	1	$ 8
(Loss) income before income taxes	$ (45)	$ 30

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- Definition

Deferred Income Tax Expense (Benefit), Intangible

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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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.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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