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Investments in equity accounted units (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Investments Accounted For Using Equity Method Explanatory [Abstract]

Summary of investments in equity accounted units

			2021 US$m			2020 US$m
Rio Tinto's share of assets
– Non-current assets			5,139			5,307
– Current assets			1,063			1,077
			6,202			6,384
Rio Tinto's share of liabilities
– Current liabilities			(788)			(785)
– Non-current liabilities			(1,910)			(1,835)
			(2,698)			(2,620)
Rio Tinto's share of net assets			3,504			3,764

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Disclosure of detailed information about investments accounted for using equity method.

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Disclosure Of Investments Accounted For Using Equity Method Explanatory [Abstract]

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