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Share of profit after tax of equity accounted units (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Detailed Information About Share Of Profit After Tax Of Equity Accounted Units [Abstract]

Summary of share of profit after tax of equity accounted units

		2017			2016			2015
	US$m			US$m			US$m
Sales revenue: Rio Tinto share (a)		1,960			1,727			2,149
Operating costs		(1,400	)		(1,237	)		(1,609	)
Profit before finance items and taxation		560			490			540
Finance items		(47	)		(33	)		(37	)
Share of profit after tax of equity accounted units		17			20			35
Profit before taxation		530			477			538
Taxation		(191	)		(156	)		(177	)
Profit for the year (Rio Tinto share)		339			321			361

(a) Sales revenue of equity accounted units includes sales by equity accounted units to Group subsidiaries.

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Detailed information about share of profit after tax of equity accounted units.

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The disclosure of detailed information about share of profit after tax of equity accounted units.

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