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Financial and other non-current assets - Minimum finance lease payments (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure of maturity analysis of finance lease payments receivable [line items] |  |
Total future payments | $ 191 | $ 229
Unearned interest income | (10) | (16)
Present value | 181 | 213
Provision | (57) | (65)
Net book value | 124 | 148
Not later than one year [member] |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |
Total future payments | 51 | 64
Unearned interest income | (4) | (5)
Present value | 47 | 59
Provision | (1) | (2)
Net book value | 46 | 57
Between one and five years [member] |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |
Total future payments | 94 | 117
Unearned interest income | (5) | (9)
Present value | 89 | 108
Provision | (23) | (28)
Net book value | 66 | 80
Later than five years [member] |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |
Total future payments | 46 | 48
Unearned interest income | (1) | (2)
Present value | 45 | 46
Provision | (33) | (35)
Net book value | $ 12 | $ 11

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- Definition Present Value Of Finance Leases + References No definition available. + Details
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Period Type: | instant

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- Definition Provision In Finance Leases + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The gross investment in the finance lease discounted at the interest rate implicit in the lease. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. Gross investment in the finance lease is the sum of: (a) the lease payments receivable by a lessor under a finance lease; and (b) any unguaranteed residual value accruing to the lessor. Interest rate implicit in the lease is the rate of interest that causes the present value of (a) the lease payments and (b) the unguaranteed residual value to equal to the sum of (i) the fair value of the underlying asset and (ii) the initial direct costs of the lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 94 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_94&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of undiscounted finance lease payments to be received. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 94 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_94&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of unearned finance income relating to the finance lease payments receivable. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. [Refer: Finance income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 94 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_94&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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- Details
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