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Finance income and finance costs - Summary of finance income and finance costs (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Finance Income Expense Explanatory [Abstract] |  |  |
Finance income from equity accounted units | $ 4 | $ 7 | $ 4
Other finance income (including bank deposits, net investment in leases, and other financial assets) | 296 | 242 | 137
Total finance income | 300 | 249 | 141
Interest on: |  |  |
Financial liabilities at amortised cost and associated derivatives | (816) | (775) | (819)
Finance leases | (55) | (2) | (3)
Fair value movements: |  |  |
Bonds designated as hedged items in fair value hedges | (185) | 96 | 28
Derivatives designated as hedging instruments in fair value hedges | 181 | (73) | (22)
Loss on early redemption of bonds | 0 | (94) | (256)
Amounts capitalised | 321 | 296 | 224
Total finance costs | $ (554) | $ (552) | $ (848)

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2019-01-01 -Paragraph 26 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2019-en-r&anchor=para_26_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_82_b&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of income associated with interest and other financing activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of finance income that the entity does not separately disclose in the same statement or note. [Refer: Finance income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Bonds designated as hedged items in fair value hedges. + References No definition available. + Details
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- Definition Derivatives designated as hedging instruments in fair value hedges. + References No definition available. + Details
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- Definition Disclosure Of Finance Income Expense Explanatory [Abstract] + References No definition available. + Details
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- Definition Fair value movements. + References No definition available. + Details
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- Definition Finance income from equity accounted units. + References No definition available. + Details
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- Definition Interest on finance. + References No definition available. + Details
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- Definition Interest on financial liabilities at amortized cost and associated derivatives. + References No definition available. + Details
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- Definition Interest expense on finance leases + References No definition available. + Details
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- Definition Loss on early redemption of bonds. + References No definition available. + Details
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