XML 14 R5.htm IDEA: XBRL DOCUMENT v3.10.0.1

Group statement of comprehensive income (Parenthetical) $ in Millions	6 Months Ended
	Jun. 30, 2018 USD ($)
Statement Of Comprehensive Income [Abstract]
Currency translation charge	$ (231)
Reclassification of cost of hedging to income statement and recognised within finance costs	$ 3

X

- References

No definition available.

+ Details

Name:	ifrs-full_StatementOfComprehensiveIncomeAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the amount of exchange differences arising on the translation of the net assets of entities with functional currencies other than the US dollar are recognised directly in the currency translation reserve. These translation differences are shown in the statement of comprehensive income, with the exception of translation adjustments relating to Rio Tinto Limited’s share capital which are shown in the statement of changes in equity.

+ References

No definition available.

+ Details

Name:	rio_CurrencyTranslationArisingOnDualListedCompaniesShareCapital
Namespace Prefix:	rio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Reclassification of cost of hedging to income statement and recognised within finance costs.

+ References

No definition available.

+ Details

Name:	rio_ReclassificationOfCostOfHedgingToIncomeStatementAndRecognisedWithinFinanceCosts
Namespace Prefix:	rio_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration