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Financial and other non-current assets (Details 2) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of other non-current assets [abstract] |  |
Deferred compensation plans assets | $ 471 | $ 414
Prepaid post-employment benefit plans assets | 202 | 148
Other non-current assets | 219 | 176
Total other non-current assets | $ 892 | $ 738

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- Definition The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of non-current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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- References No definition available. + Details
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