Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail) $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($)
Amounts Reclassified Out Of Accumulated Other Comprehensive Income Loss [Abstract]
Gains (losses) from net investment hedging, net of tax	$ 19
Gains from net investment hedging, tax	$ 11

Amounts reclassified out of accumulated other comprehensive income loss.

No definition available.

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- Definition

Current period adjustment resulting from gains and losses on foreign currency transactions that are designated as, and are effective as, economic 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),(c)
-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

+ Details

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- Definition

Tax effect of current period adjustment resulting from gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

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

+ Details

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