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Financial risk management and derivatives - Summary of Derivative Financial Instruments (Detail) $ in Millions | Dec. 31, 2018 USD ($)
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Disclosure Of Derivative Financial Instruments [line items] |
Derivative financial instruments | $ 8
Non-current Assets [member] |
Disclosure Of Derivative Financial Instruments [line items] |
Derivative financial instruments | 7
Current assets [member] |
Disclosure Of Derivative Financial Instruments [line items] |
Derivative financial instruments | 1
Currency swaps [member] |
Disclosure Of Derivative Financial Instruments [line items] |
Derivative financial instruments | 7
Forward foreign exchange contracts [member] |
Disclosure Of Derivative Financial Instruments [line items] |
Derivative financial instruments | $ 1

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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Disclosure Of Derivative Financial Instruments [line items] + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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