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Other disclosures - Subsidiaries financial information (Detail) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | $ 33,083 |  | $ 19,362 |  |
Profit after tax for the period | 13,068 |  | 3,451 |  |
– attributable to non-controlling interests | 755 |  | 135 |  |
– attributable to Rio Tinto | 12,313 |  | 3,316 |  |
Other comprehensive loss | 35 |  | (1,141) |  |
Total comprehensive income | 13,103 | [1] | 2,310 | [2] |
Non-current assets | 77,676 |  |  |  | $ 76,535
Current assets | 25,765 |  |  |  | 20,855
Current liabilities | (12,076) |  |  |  | (11,607)
Non-current liabilities | (33,196) |  |  |  | (33,880)
Net assets | 58,169 |  |  |  | 51,903
– attributable to non-controlling interests | 5,194 |  |  |  | 4,849
– attributable to Rio Tinto | 52,975 |  |  |  | 47,054
Cash flow from operations | 13,661 |  | 5,628 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | (407) |  | (215) |  |
Borrowings | 12,405 |  |  |  | 12,653
Goodwill | 945 |  |  |  | 946
Iron Ore Company of Canada |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | 1,718 |  | 1,011 |  |
Profit after tax for the period | 654 |  | 257 |  |
– attributable to non-controlling interests | 271 |  | 106 |  |
– attributable to Rio Tinto | 383 |  | 151 |  |
Other comprehensive loss | 96 |  | (91) |  |
Total comprehensive income | 750 |  | 166 |  |
Non-current assets | 2,879 |  |  |  | 2,733
Current assets | 840 |  |  |  | 670
Current liabilities | (493) |  |  |  | (462)
Non-current liabilities | (1,034) |  |  |  | (993)
Net assets | 2,192 |  |  |  | 1,948
– attributable to non-controlling interests | 907 |  |  |  | 804
– attributable to Rio Tinto | 1,285 |  |  |  | 1,144
Cash flow from operations | 964 |  | 403 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | (206) |  | 0 |  |
Turquoise Hill |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | 844 |  | 409 |  |
Profit after tax for the period | 426 |  | (23) |  |
– attributable to non-controlling interests | 211 |  | (89) |  |
– attributable to Rio Tinto | 215 |  | 66 |  |
Other comprehensive loss | 5 |  | (2) |  |
Total comprehensive income | 431 |  | (25) |  |
Non-current assets | 11,789 |  |  |  | 10,930
Current assets | 1,033 |  |  |  | 1,496
Current liabilities | (530) |  |  |  | (540)
Non-current liabilities | (4,392) |  |  |  | (4,404)
Net assets | 7,900 |  |  |  | 7,482
– attributable to non-controlling interests | 2,600 |  |  |  | 2,424
– attributable to Rio Tinto | 5,300 |  |  |  | 5,058
Cash flow from operations | 95 |  | 29 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | 0 |  | 0 |  |
Robe River Mining Co Pty Ltd |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | 1,289 |  | 734 |  |
Profit after tax for the period | 752 |  | 403 |  |
– attributable to non-controlling interests | 301 |  | 158 |  |
– attributable to Rio Tinto | 451 |  | 245 |  |
Other comprehensive loss | (80) |  | (88) |  |
Total comprehensive income | 672 |  | 315 |  |
Non-current assets | 3,535 |  |  |  | 3,452
Current assets | 1,134 |  |  |  | 865
Current liabilities | (583) |  |  |  | (380)
Non-current liabilities | (424) |  |  |  | (255)
Net assets | 3,662 |  |  |  | 3,682
– attributable to non-controlling interests | 1,463 |  |  |  | 1,397
– attributable to Rio Tinto | 2,199 |  |  |  | 2,285
Cash flow from operations | 1,134 |  | 665 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | (201) |  | (211) |  |
Other Companies And Eliminations |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | 1,504 |  | 851 |  |
Profit after tax for the period | 841 |  | 424 |  |
– attributable to non-controlling interests | 0 |  | 0 |  |
– attributable to Rio Tinto | 841 |  | 424 |  |
Other comprehensive loss | (37) |  | (38) |  |
Total comprehensive income | 804 |  | 386 |  |
Non-current assets | 4,238 |  |  |  | 4,247
Current assets | 1,870 |  |  |  | 2,239
Current liabilities | (339) |  |  |  | (414)
Non-current liabilities | (4,234) |  |  |  | (4,752)
Net assets | 1,535 |  |  |  | 1,320
– attributable to non-controlling interests | 0 |  |  |  | 0
– attributable to Rio Tinto | 1,535 |  |  |  | 1,320
Cash flow from operations | 1,643 |  | 1,066 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | 0 |  | 0 |  |
Robe river iron associates |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Revenue | 2,793 |  | 1,585 |  |
Profit after tax for the period | 1,593 |  | 827 |  |
– attributable to non-controlling interests | 301 |  | 158 |  |
– attributable to Rio Tinto | 1,292 |  | 669 |  |
Other comprehensive loss | (117) |  | (126) |  |
Total comprehensive income | 1,476 |  | 701 |  |
Non-current assets | 7,773 |  |  |  | 7,699
Current assets | 3,004 |  |  |  | 3,104
Current liabilities | (922) |  |  |  | (794)
Non-current liabilities | (4,658) |  |  |  | (5,007)
Net assets | 5,197 |  |  |  | 5,002
– attributable to non-controlling interests | 1,463 |  |  |  | 1,397
– attributable to Rio Tinto | 3,734 |  |  |  | 3,605
Cash flow from operations | 2,777 |  | 1,731 |  |
Dividends paid to holders of non-controlling interests in subsidiaries | (201) |  | $ (211) |  |
North Mining Limited | Robe river iron associates |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Goodwill | 375 |  |  |  | 383
Amended and Restated Shareholders Agreement, Amended June 08, 2011 | Erdenes Oyu Tolgoi LLC |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Borrowings | 1,399 |  |  |  | 1,378
Interest receivable | $ 877 |  |  |  | $ 804
Amended and Restated Shareholders Agreement, Amended June 08, 2011 | Erdenes Oyu Tolgoi LLC | Floating interest rate |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |
Borrowings, interest rate basis | 6.50% |  |  |  |
[1] | Refer to Group statement of comprehensive income for further details.
[2] | Refer to Group statement of comprehensive income for further details.

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