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Post-employment benefits for associates - Schedule of expected future cash flows (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
Pension plans [member] |
Employer contributions |
2020 (estimated) | $ 14
Other post-employment benefit plans [member] |
Employer contributions |
2020 (estimated) | 0
2020 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 41
2020 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | 21
2021 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 26
2021 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | 22
2022 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 27
2022 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | 24
2023 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 27
2023 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | 25
2024 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 32
2024 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | 26
2025-2029 [member] | Pension plans [member] |
Expected future benefit payments |
Expected future benefit payments | 169
2025-2029 [member] | Other post-employment benefit plans [member] |
Expected future benefit payments |
Expected future benefit payments | $ 133

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- Definition Defined Benefit Plan, Expected Future Employer Contributions1 [Abstract] + References No definition available. + Details
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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 147 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_147_b&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 148 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_148_d_iii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Gains (losses) arising from settlements, net defined benefit liability (asset); Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 141 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_141_g&doctype=Standard -URIDate 2019-03-27 + Details
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