| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
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| Cash flows from consolidated operations | - | - | 21,822 | 33,936 | 23,158 | 20,251 | 19,859 |
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| Dividends from equity accounted units | 800 | 669 | 594 | 1,431 | 879 | 610 | 1,067 |
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| Cash flows from operations | 16,455 | 20,374 | 22,416 | 35,367 | 24,037 | 20,861 | 20,926 |
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| Net interest paid | 612 | 537 | 569 | 438 | 573 | 612 | 685 |
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| Dividends paid to holders of non-controlling interests in subsidiaries | 420 | 376 | 683 | 1,090 | 421 | 462 | 477 |
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| Tax paid | 3,602 | 4,549 | 5,289 | 8,494 | 6,909 | 4,627 | 4,165 |
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| Net cash generated from operating activities | 11,821 | 14,912 | 15,875 | 25,345 | 16,134 | 15,160 | 15,599 |
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| Purchases of property, plant and equipment and intangible assets | 5,430 | 5,488 | 6,189 | 7,384 | 6,750 | 7,086 | 9,621 |
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| Sales of property, plant and equipment and intangible assets | 586 | 49 | 45 | 61 | - | 9 | 30 |
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| Acquisitions of subsidiaries, joint ventures and associates | 5 | - | - | - | 850 | 834 | 346 |
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| Disposals of subsidiaries, joint ventures, joint operations and associates | 7,733 | -80 | 10 | 4 | 80 | - | 427 |
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| Purchases of financial assets | 1,572 | 43 | 5 | 45 | 55 | 39 | 113 |
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| Sales of financial assets | 19 | 83 | 63 | 114 | 892 | 1,220 | 677 |
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| Net funding of equity accounted units | - | 33 | 43 | - | 75 | 144 | 784 |
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| Other investing cash flows | -1 | 11 | -437 | 85 | 51 | -88 | 136 |
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| Net cash used in investing activities | 1,321 | -5,501 | -6,556 | -7,159 | -6,707 | -6,962 | -9,594 |
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| Cash flows before financing activities | - | - | 9,319 | 18,186 | 9,427 | 8,198 | 6,005 |
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| Equity dividends paid to owners of Rio Tinto | 5,356 | 10,334 | 6,132 | 15,357 | 11,727 | 6,470 | 7,025 |
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| Proceeds from additional borrowings, net of issue costs | 54 | 80 | 125 | 1,488 | 321 | 1,833 | 261 |
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| Repayment of borrowings and associated derivatives | 2,300 | 203 | 721 | 1,707 | 790 | 310 | 860 |
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| Lease principal payments | - | 315 | 324 | 358 | 374 | 426 | 455 |
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| Cash inflows from share of expenditure incurred | 85 | 101 | 129 | 66 | 86 | 127 | 1,574 |
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| Purchase of non-controlling interest | - | - | - | - | 2,961 | 33 | 591 |
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| Other financing cash flows | -48 | 4 | 1 | 6 | -28 | 2 | 2 |
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| Net cash used in financing activities | -12,951 | -12,219 | -7,130 | -15,862 | -15,473 | -5,277 | -7,094 |
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| Effects of exchange rates on cash and cash equivalents | 151 | -54 | 165 | 100 | 15 | -23 | -99 |
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| Net (decrease)/increase in cash and cash equivalents | 342 | -2,862 | 2,354 | 2,424 | -6,031 | 2,898 | -1,188 |
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