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Consolidated cash flow statement - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement of cash flows [abstract] |  |  |  |
Cash flows from consolidated operations | [1] | $ 19,859 | $ 20,251 | $ 23,158
Dividends from equity accounted units |  | 1,067 | 610 | 879
Cash flows from operations |  | 20,926 | 20,861 | 24,037
Net interest paid |  | (685) | (612) | (573)
Dividends paid to holders of non-controlling interests in subsidiaries |  | (477) | (462) | (421)
Tax paid |  | (4,165) | (4,627) | (6,909)
Net cash generated from operating activities |  | 15,599 | 15,160 | 16,134
Cash flows from investing activities |  |  |  |
Purchases of property, plant and equipment and intangible assets | [2] | (9,621) | (7,086) | (6,750)
Sales of property, plant and equipment and intangible assets |  | 30 | 9 | 0
Acquisitions of subsidiaries, joint ventures and associates | [2] | (346) | (834) | (850)
Disposals of subsidiaries, joint ventures, joint operations and associates |  | 427 | 0 | 80
Purchases of financial assets |  | (113) | (39) | (55)
Sales of financial assets | [3] | 677 | 1,220 | 892
Net funding of equity accounted units | [2] | (784) | (144) | (75)
Other investing cash flows |  | 136 | (88) | 51
Net cash used in investing activities |  | (9,594) | (6,962) | (6,707)
Cash flows before financing activities |  | 6,005 | 8,198 | 9,427
Cash flows from financing activities |  |  |  |
Equity dividends paid to owners of Rio Tinto |  | (7,025) | (6,470) | (11,727)
Proceeds from additional borrowings, net of issue costs |  | 261 | 1,833 | 321
Repayment of borrowings and associated derivatives |  | (860) | (310) | (790)
Lease principal payments |  | (455) | (426) | (374)
Cash inflows from share of expenditure incurred | [2] | 1,574 | 127 | 86
Purchase of non-controlling interest |  | (591) | (33) | (2,961)
Other financing cash flows |  | 2 | 2 | (28)
Net cash used in financing activities |  | (7,094) | (5,277) | (15,473)
Effects of exchange rates on cash and cash equivalents |  | (99) | (23) | 15
Net (decrease)/increase in cash and cash equivalents |  | (1,188) | 2,898 | (6,031)
Opening cash and cash equivalents less overdrafts |  | 9,672 | 6,774 | 12,805
Closing cash and cash equivalents less overdrafts |  | $ 8,484 | $ 9,672 | $ 6,774
[1] |
Notes to the consolidated cash flow statement |  |  |  |
(a) Cash flows from consolidated operations | Note | 2024 US$m | 2023 US$m | 2022 US$m
Profit after tax for the year |  | 11,574 | 9,953 | 13,048
Adjustments for: |  |  |  |
– Taxation |  | 4,041 | 3,832 | 5,614
– Finance items |  | 876 | 1,713 | 1,846
– Share of profit after tax of equity accounted units |  | (838) | (675) | (777)
– (Gains)/losses on consolidation and disposal of interests in businesses | 5 | (1,214) | – | 105
– Impairment charges of investments in equity accounted units after tax | 4 | – | – | 202
– Net impairment charges/(reversals) | 4 | 538 | 936 | (150)
– Depreciation and amortisation |  | 5,918 | 5,334 | 5,010
– Provisions (including exchange differences on provisions) |  | 398 | 1,470 | 1,006
Utilisation of other provisions | 36 | (94) | (104) | (176)
Utilisation of provisions for close-down and restoration | 14 | (1,142) | (777) | (609)
Utilisation of provisions for post-retirement benefits and other employment costs | 26 | (133) | (277) | (254)
Change in inventories |  | 205 | (422) | (1,185)
Change in receivables and other assets |  | (202) | (418) | 20
Change in trade and other payables |  | 54 | (86) | 700
Other items(d) |  | (122) | (228) | (1,242)
|  | 19,859 | 20,251 | 23,158
[2] | In 2024, our net cash outflow in relation to the Simandou iron ore project was US$1.3 billion. This includes cash outflows of US$1,831 million for purchase of property, plant and equipment, US$313 million as acquisition of associates for WCS Rail and Port, and US$652 million as net funding of equity accounted units for the subsequent funding of that shared infrastructure. We received related cash inflows of US$1,505 million from Chalco Iron Ore Holdings Ltd (CIOH) for cash calls by SimFerJersey Limited, of which US$411 million relates to CIOH’s share of expenditure incurred up until the end of December 2023 to progress critical works.
[3] | In 2024, we received net proceeds of US$675 million (2023: US$1,157 million and 2022: US$352 million) from our sales and purchases of investments within a separately managed portfolio of fixed income instruments. Refer to note 19 for details. Purchases and sales of these securities are reported on a net cash flow basis within “Sales of financial assets” or “Purchases of financial assets” depending on the overall net position at each reporting date.

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash flows from used in consolidated operations. + References No definition available. + Details
Name: | rio_CashFlowsFromUsedInConsolidatedOperations
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration