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Hedging Financial Instruments - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2018
Cash flow hedges [member] |
Disclosure of detailed information about financial instruments [line items] |
Description of forward exchange contracts maturity | Maturities of 12 months or less.
Interest rate futures contracts [member] |
Disclosure of detailed information about financial instruments [line items] |
Hedge ratio adjustment percentage | 100.00%
Forward exchange contracts and foreign currency deposits [member] | Cash flow hedges [member] |
Disclosure of detailed information about financial instruments [line items] |
Hedge ratio adjustment percentage | 100.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Description of forward exchange contracts maturity + References No definition available. + Details
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- Definition Hedge ratio adjustment percentage. + References No definition available. + Details
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- Details
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- Details
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- Details
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