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Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2024
Borrowings [abstract] |
Summary of borrowings | The characteristics and carrying value of the Group’s borrowings at 31 December are summarised below.
| Carrying value 2024 US$m | Carrying value 2023 US$m | Nominal value of hedged item 2024 US$m | Nominal value of hedged item 2023 US$m | Weighted average interest rate after swaps (where applicable)(b) | Swap maturity (where applicable)
Rio Tinto Finance plc Euro Bonds 2.875% due 2024(a)(b)(c) | – | 452 | – | 463 |  |
Rio Tinto Finance (USA) Limited Bonds 7.125% due 2028(a)(b) | 780 | 804 | 750 | 750 | 3 month SOFR +3.54% | 2028
Alcan Inc. Debentures 7.25% due 2028(a)(d) | 101 | 99 | 100 | 100 | 6 month SOFR +3.33% | 2028
Rio Tinto Finance plc Sterling Bonds 4.0% due 2029(a)(b)(e)(f) | 624 | 611 | – | 639 |  |
Alcan Inc. Debentures 7.25% due 2031(a)(b) | 402 | 392 | 400 | 400 | 3 month SOFR +5.98% | 2025
Rio Tinto Finance (USA) plc Bonds 5.0% due 2033(a)(g) | 646 | 646 | 650 | – | 6 month SOFR + 0.96% | 2026/ 2033
Alcan Inc. Global Notes 6.125% due 2033(a)(b) | 731 | 699 | 750 | 750 | 3 month SOFR +5.93% | 2025
Alcan Inc. Global Notes 5.75% due 2035(a)(b) | 287 | 274 | 300 | 300 | 3 month SOFR +5.44% | 2025
Rio Tinto Finance (USA) Limited Bonds 5.2% due 2040(a)(b)(h) | 1,142 | 1,158 | 1,150 | 200 | 6 month SOFR +1.18% | 2033
Rio Tinto Finance (USA) plc Bonds 4.75% due 2042(a)(i) | 492 | 492 | 500 | – | 6 month SOFR + 0.65% | 2026
Rio Tinto Finance (USA) plc Bonds 4.125% due 2042 | 732 | 731 | – | – |  |
Rio Tinto Finance (USA) Limited Bonds 2.75% due 2051(a)(b) | 1,103 | 1,098 | 1,250 | 1,250 | 6 month SOFR +1.57% | 2028
Rio Tinto Finance (USA) plc Bonds 5.125% due 2053(a) | 1,097 | 1,151 | 1,100 | 1,100 | 6 month SOFR +0.76% | 2033
Oyu Tolgoi LLC MIGA Insured Loan SOFR plus 2.65% due 2032(j)(k) | 603 | 602 | – | – |  |
Oyu Tolgoi LLC Commercial Banks “B Loan” SOFR plus 3.4% due 2032(j)(k) | 1,392 | 1,392 | – | – |  |
Oyu Tolgoi LLC Export Credit Agencies Loan 4.72% due 2033(j)(k) | 249 | 248 | – | – |  |
Oyu Tolgoi LLC Export Credit Agencies Loan SOFR plus 3.65% due 2034(j)(k) | 816 | 816 | – | – |  |
Oyu Tolgoi LLC International Financial Institutions “A Loan” SOFR plus 3.78% due 2035(j)(k) | 792 | 792 | – | – |  |
Other secured loans | 93 | 144 |  |  |  |
Other unsecured loans | 349 | 399 |  |  |  |
Bank overdrafts | 11 | 1 |  |  |  |
Total borrowings(l) | 12,442 | 13,001 |  |  |  |
Comprising: |  |  |  |  |  |
Current borrowings | 180 | 824 |  |  |  |
Non-current borrowings | 12,262 | 12,177 |  |  |  |
Total borrowings(l) | 12,442 | 13,001 |  |  |  |
(a)The fair value movements of our borrowings and interest rate swaps that are in fair value hedge relationships are included in note 9. (b)The LIBOR reference rates derivatives were transitioned to Secured Overnight Financing Rate (SOFR) with effect from 1 July 2023 in accordance with International Swaps and Derivatives Association (ISDA) Fallback Protocol. Weighted average interest rate after swaps for 2023 can be found in note 20 to the Financial Statements in our 2023 Annual Report. (c)On 11 December 2024 we repaid our €417 million (nominal value) Rio Tinto Finance plc Euro Bonds on their maturity. The cash outflow relating to the repayment of the bonds and the realised loss on the derivatives have been recognised within "Repayment of borrowings and associated derivatives" in the Group cash flow statement and totalled US$546 million. (d)In November 2024, our interest rate swap which converted our fixed coupon interest payments on this bond to 3 month SOFR +5.69%, matured. We entered into a new interest rate swap to convert our fixed coupon interest payments on this bond to 6 month SOFR + 3.33%. (e)Rio Tinto has a US$10 billion (2023: US$10 billion) European Medium Term Note Program against which the cumulative amount utilised was US$626 million equivalent at 31 December 2024 (2023: US$1,102 million). The carrying value of these bonds after hedge accounting adjustments amounted to US$624 million (2023: US$1,063 million) in aggregate. (f).We applied cash flow hedge accounting to this bond and the corresponding cross currency interest rate swap. The hedge is fully effective as the notional amount, maturity, payment and reset dates match. In 2019, we swapped the resulting fixed US dollar annual interest coupon payments to floating rates. Fair value hedge accounting has been applied to this relationship in addition to the pre-existing cash flow hedge. In December 2024, our existing interest rate swap on this bond matured, therefore, the bond is no longer in a hedged position. (g)In April and October 2024 we entered into new interest rate swaps to convert our fixed coupon on this bond to 6 month SOFR +0.96%. (h)In February, March and April 2024 we entered into a new interest rate swap to convert our fixed coupon on this bond to 6 month SOFR +1.18%. (i)In December 2024 we entered into a new interest rate swaps to convert our fixed coupon on this bond to 6 month SOFR +0.65%. (j)These borrowings relate to the Oyu Tolgoi LLC project finance facility and the due dates stated represent the final repayment date. The interest rates stated are pre-completion and will increase by 1.2% post-completion, which is expected to take place in 2029 subject to meeting certain conditions. Refer below on the refinancing of the facility made during 2023. (k)Our bank borrowings in Oyu Tolgoi (OT) are subject to financial covenants which require that OT maintains a certain level of debt-equity ratio and a debt service coverage ratio. These covenants are tested at the end of each month. Based on our forecasting, we consider this risk of non-compliance with these covenants to be remote. (l)The Group’s borrowings of US$12,442 million (2023: US$13,001 million) include US$3,945 million (2023: US$3,994 million) of subsidiary entity borrowings that are subject to various financial and general covenants with which the respective borrowers were in compliance as at 31 December 2024 and are expected to be in compliance within 12 months after the reporting date. The non-compliance with these covenants, if not remediated, would permit the lender to immediately call the loan and borrowings.

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