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Trade and other payables - Summary of Trade and Other Payables (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Current |  |  |
Trade payables | $ 80 | $ 90 |
Other tax and social security payable | 37 | 42 |
Other payables | 146 | 97 |
Deferred purchase consideration | 13 |  |
Contingent purchase consideration |  | 1 |
Accruals | 190 | 338 |
Trade and other current payables | 466 | 568 | $ 616
Non-current |  |  |
Other payables | 4 | 3 |
Deferred purchase consideration | 11 | 23 |
Contingent purchase consideration | 79 | 90 |
Trade and other non current payables | $ 94 | $ 116 | $ 125

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- Definition The amount of current payables for the purchase of non-current assets. [Refer: Payables for purchase of non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of current payables on social security and taxes other than incomes tax. [Refer: Payables on social security and taxes other than income tax] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current trade payables and non-current other payables. [Refer: Other non-current payables; Non-current trade payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph k -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_k&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of current payables that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 70 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_70&doctype=Standard -URIDate 2020-01-01 + Details
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