Amount Recorded in Income Statements for Foreign Currency Forward Contracts Not Designated as Hedges (Detail) - Not Designated as Hedging Instrument - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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Derivative Instruments, Gain (Loss) [Line Items] | ||
Amount of Gain (Loss) Recognized in Income | $ 22 | $ 30 |
Interest rate contracts | Interest Expense | ||
Derivative Instruments, Gain (Loss) [Line Items] | ||
Amount of Gain (Loss) Recognized in Income | (2) | (2) |
Foreign exchange contracts | Investment income and other | ||
Derivative Instruments, Gain (Loss) [Line Items] | ||
Amount of Gain (Loss) Recognized in Income | 8 | 6 |
Investment market price contracts | Investment income and other | ||
Derivative Instruments, Gain (Loss) [Line Items] | ||
Amount of Gain (Loss) Recognized in Income | $ 16 | $ 26 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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