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Trade and other receivables - Additional information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Disclosure Of Trade And Other Receivables [Line Items]
Trade receivables	$ 2,315	$ 2,283
Trade and other receivables	5,167	4,802
Rio Tinto plc [member] | LIBOR [Member]
Disclosure Of Trade And Other Receivables [Line Items]
Trade and other receivables	9,114	6,007
Trade receivables past due but not impaired [Member]
Disclosure Of Trade And Other Receivables [Line Items]
Trade receivables	$ 145	$ 230

X

- Definition

The amount of trade receivables and other receivables. [Refer: Trade receivables; Other receivables]

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- Definition

The amount due from customers for goods and services sold.

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- Definition

Disclosure of trade and other receivables.

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No definition available.

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