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New Standards and Interpretations Adopted in the Current Year - Summary of retained earnings and reserves (Detail)Disclosure - Other disclosures - Summary of retained earnings and reserves (Detail) $ in Millions | Jan. 01, 2018 USD ($)
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Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Beginning balance | $ 12,284
Available for sale revaluation reserves [member] | IFRS 9 [member] |
Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Beginning balance | 20
Reclassification of equity investments from AfS | (20)
Total impact | (20)
Effect On FVOCI Reserve [Member] | IFRS 9 [member] |
Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Reclassification of equity investments from AfS | 8
Total impact | 8
Ending balance | 8
Cost of Hedging Reserve [Member] | IFRS 9 [member] |
Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Impact of costs of hedging adjustment | 26
Total impact | 26
Ending balance | 26
Cash Flow Hedge Reserve [Member] | IFRS 9 [member] |
Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Beginning balance | 32
Impact of costs of hedging adjustment | (4)
Total impact | (4)
Ending balance | 28
Effect on Retained Earnings [Member] | IFRS 9 [member] |
Disclosure Of Other Reserves And Retained Earnings [Line Items] |
Beginning balance | 23,761
Reclassification of equity investments from AfS | 12
Impact of costs of hedging adjustment | (22)
Impairment provisions | (7)
Tax impact | 1
Re-measurement of funds | 1
Total impact | (15)
Ending balance | $ 23,746

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- Definition A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Disclosure of other reserves and retained earnings [Line Items] + References No definition available. + Details
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- Definition IFRS 9 allows for the deferral of certain costs of hedging including foreign currency basis spreads. The Group has designated cross currency interest rate swaps as hedging instruments and excluded the foreign currency basis spreads from the hedge relationship. Changes in the foreign currency basis spread are included in a cost of hedging reserve and will be subsequently recycled to profit or loss as the hedged item impacts on profit or loss. + References No definition available. + Details
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- Definition Impact of reserves. + References No definition available. + Details
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- Definition Impairment​ provision ​resulting​ from​ application​ of ECL model pre-tax. + References No definition available. + Details
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- Definition Under IFRS 9, the Group has elected to classify certain equity investments as fair value through OCI. + References No definition available. + Details
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- Definition Re-measurement of closure funds under IFRS 9 from Amortised cost to Fair Value. + References No definition available. + Details
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- Definition Tax impact of transition to IFRS 9. + 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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- Details
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