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Impairment and onerous contracts - Loans receivable, Nacala BV (Details) T in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) T
Impairment and onerous contracts
Discount rate on cash flows	5.93%
Nacala Corridor
Impairment and onerous contracts
Impairment of loans and receivables | $	$ 798
Discount rate on cash flows	8.20%
Carrying amount of the receivable after the impairment charge | $	$ 1,118
Threshold volume of capacity for carrying value to be fully impaired | T	5
Total volume of capacity | T	22

X

- Definition

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph d
-Clause v
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph e
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_v&doctype=Standard
-URIDate 2020-01-01

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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.

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- Definition

The amount of non-derivative financial assets with fixed or determinable payments that are not quoted in an active market, other than: (a) those that the entity intends to sell immediately or in the near term, which shall be classified as held for trading, and those that the entity, upon initial recognition, designates as at fair value through profit or loss; (b) those that the entity, upon initial recognition, designates as available for sale; or (c) those for which the holder may not recover substantially all of its initial investment, other than because of credit deterioration, which shall be classified as available for sale. An interest acquired in a pool of assets that are not loans or receivables (for example, an interest in a mutual fund or a similar fund) is not a loan or receivable. [Refer: Derivative financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 8
-Subparagraph c
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- Definition

Represents the amount of impairment loss on loans and receivables.

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- Definition

Represents the threshold volume of capacity for carrying value to be fully impaired.

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No definition available.

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Represents the total volume of capacity.

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