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Changes in accounting policies - Impact on equity attributable to owners due to amendments (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jan. 01, 2023	Dec. 31, 2022		Jan. 01, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Other Disclosures [Line Items]
Equity attributable to owners of Rio Tinto	$ 51,625		$ 50,634	[1]		$ 51,930		$ 47,570
Opening Balance
Other Disclosures [Line Items]
Equity attributable to owners of Rio Tinto		$ 50,175			$ 51,415		$ 47,054
Impact of IAS 12 amendments
Other Disclosures [Line Items]
Equity attributable to owners of Rio Tinto			$ 459			$ 515		$ 516
[1] Comparative information has been restated to reflect the adoption of narrow scope amendments to IAS12 'Income Taxes', refer to note 2 for details.

X

- Definition

The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph r
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_r&doctype=Standard
-URIDate 2023-03-23

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