XML 402 R62.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Share of profit after tax of equity accounted units (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] |
Summary of share of profit after tax of equity accounted units |
| 2019 US$m |  | 2018 US$m |  | 2017 US$m |
Sales revenue: Rio Tinto share(a) | 2,358 |  | 2,497 |  | 1,960 |
Operating costs | (1,812 | ) | (1,656 | ) | (1,400 | )
Profit before finance items and taxation | 546 |  | 841 |  | 560 |
Finance items | (65 | ) | (69 | ) | (47 | )
Share of profit after tax of equity accounted units | 10 |  | 14 |  | 17 |
Profit before taxation | 491 |  | 786 |  | 530 |
Taxation | (190 | ) | (273 | ) | (191 | )
Profit for the year (Rio Tinto share) | 301 |  | 513 |  | 339 |
(a) Sales revenue of equity accounted units includes sales by equity accounted units to Group subsidiaries.

X
- References No definition available. + Details
Name: | ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about share of profit after tax of equity accounted units. + References No definition available. + Details
Name: | rio_DisclosureOfDetailedInformationAboutShareOfProfitAfterTaxOfEquityAccountedUnitsExplanatoryTableTextBlock
Namespace Prefix: | rio_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration