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Financial assets and liabilities - Maturity profile of the Group's net borrowings (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Total borrowings | $ 4,085 | $ 3,933
Deferred debt issue costs | (24) | (31)
Borrowings | 4,061 | 3,902
Within one year or on demand |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Total borrowings | 112 | 105
Between one and three years |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Total borrowings | 757 | 755
Between three and five years |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Total borrowings | 3,177 | 3,017
Greater than five years |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Total borrowings | $ 39 | $ 56

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- Definition This amount of deferred debt issue costs and premium. + References No definition available. + Details
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