Components of Special Charges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Operating:
Severance and benefits	$ 50	$ 14
Integration-related costs	18	34
(Gains) losses on sale of assets and other special charges	(4)us-gaap_GainLossOnSaleOfOtherAssets	4us-gaap_GainLossOnSaleOfOtherAssets
Special charges	64	52
Nonoperating:
Loss on extinguishment of debt and other, net	6	21
Income tax benefit		(1)
Total operating and nonoperating special charges, net of income taxes	$ 70	$ 72

Income Tax Expense (Benefit), Restructuring

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- Definition

Operating and Non Operating Special Charges, Net of Tax

+ References

No definition available.

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of other assets.

+ References

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-Publisher FASB

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-Topic 230

-SubTopic 10

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Period expense related to postemployment benefits.

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No definition available.

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- Definition

The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

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