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Hedges of Net Investments in International Operations (Detail) (Net Investment Hedging, Currency Translation Adjustments, Foreign exchange contracts, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Euro Notes
Derivative Instruments, Gain (Loss) [Line Items]
Gains / (losses) recognized in OCI	$ (5)	$ 20
Pound Sterling Notes
Derivative Instruments, Gain (Loss) [Line Items]
Gains / (losses) recognized in OCI	$ (4)	$ 44

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- Definition

Current period adjustment in other comprehensive income reflecting gains or losses on foreign currency transactions that are designated as, and are effective as, hedges of a net investment in a foreign entity, net of tax effect.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section 45

-Paragraph 20

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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