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Segmental information - Summary of performance of operating segments (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | $ 29,775 | $ 33,083
Underlying EBITDA | 15,597 | 21,037
Underlying earnings | 8,627 | 12,166
– attributable to owners of Rio Tinto (net earnings) | 8,908 | 12,313
Proceeds from disposal of property, plant and equipment | 1 | 26
Consolidated sales revenue/Capital expenditure | 3,146 | 3,336
Other Operations |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 107 | 85
Underlying EBITDA | (78) | (4)
Underlying earnings | (167) | (51)
Capital expenditure | 9 | 0
Product group |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 31,314 | 34,628
Underlying EBITDA | 15,928 | 21,420
Underlying earnings | 8,804 | 12,466
Capital expenditure | 3,297 | 3,395
Other items |  |
Disclosure of operating segments [line items] |  |
Capital expenditure | 41 | 35
Share of equity accounted units |  |
Disclosure of operating segments [line items] |  |
Share of equity accounted units | (1,539) | (1,545)
Capital expenditure | (193) | (120)
Central pension costs, share-based payments & insurance & derivatives |  |
Disclosure of operating segments [line items] |  |
Underlying EBITDA | 265 | 119
– attributable to owners of Rio Tinto (net earnings) | 237 | 120
Restructuring, project and one-off costs |  |
Disclosure of operating segments [line items] |  |
Underlying EBITDA | (86) | (36)
– attributable to owners of Rio Tinto (net earnings) | (61) | (23)
Central costs |  |
Disclosure of operating segments [line items] |  |
Underlying EBITDA | (397) | (346)
– attributable to owners of Rio Tinto (net earnings) | (363) | (294)
Central exploration and evaluation |  |
Disclosure of operating segments [line items] |  |
Underlying EBITDA | (113) | (120)
– attributable to owners of Rio Tinto (net earnings) | (95) | (100)
Net interest |  |
Disclosure of operating segments [line items] |  |
– attributable to owners of Rio Tinto (net earnings) | 105 | (3)
Underlying earnings |  |
Disclosure of operating segments [line items] |  |
– attributable to owners of Rio Tinto (net earnings) | 8,627 | 12,166
Operating segments | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 31,356 | 34,688
Underlying EBITDA | 16,007 | 21,430
Underlying earnings | 8,971 | 12,520
Capital expenditure | 3,288 | 3,395
Operating segments | Iron Ore |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 16,610 | 21,707
Underlying EBITDA | 10,395 | 16,060
Underlying earnings | 6,461 | 10,216
Capital expenditure | 1,472 | 1,912
Operating segments | Aluminium |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 7,796 | 5,932
Underlying EBITDA | 2,866 | 1,924
Underlying earnings | 1,547 | 921
Capital expenditure | 681 | 524
Operating segments | Copper |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 3,547 | 3,779
Underlying EBITDA | 1,487 | 2,048
Underlying earnings | 543 | 885
Capital expenditure | 867 | 750
Operating segments | Minerals |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | 3,403 | 3,270
Underlying EBITDA | 1,259 | 1,398
Underlying earnings | 420 | 498
Capital expenditure | 268 | 209
Inter-segment transactions |  |
Disclosure of operating segments [line items] |  |
Consolidated sales revenue | (149) | (145)
Underlying EBITDA | (1) | (6)
Underlying earnings | $ 0 | $ (3)

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