Financial instruments and risk management (Tables)
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12 Months Ended |
Dec. 31, 2025 |
| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of movements in cash flow hedge reserve |
| | | | | | | | | | | | | | | Terminated hedges | | Active hedges | | Total | | | 2025 | | 2024 | | 2025 | | 2024 | | 2025 | | 2024 | | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | Opening balance | | (25) | | – | | (9) | | 3 | | (34) | | 3 | Gains recognised in OCI | | 3 | | – | | (16) | | (38) | | (13) | | (38) | Amounts recycled to income statement | | 20 | | – | | 9 | | 1 | | 29 | | 1 | At 31 December | | (2) | | – | | (16) | | (34) | | (18) | | (34) |
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| Currency and interest rate profile of interest bearing liabilities |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixed rate liabilities | | | | | | | | | | | | | | | | | Weighted | | | | | | | | | | | | | | | | | average | | | | | | | Interest | | | | | | | | Weighted | | time | | | Gross | | Currency | | rate | | Total | | Floating | | Fixed rate | | average | | for which | | | borrowings | | swaps | | swaps | | liabilities | | rate liabilities | | liabilities | | interest rate | | rate is fixed | | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | % | | Years | At 31 December 2025 | | | | | | | | | | | | | | | | | US Dollar | | (2,510) | | (2) | | – | | (2,512) | | (492) | | (2,020) | | 3.1 | | 4.0 | Euro | | (591) | | – | | – | | (591) | | (591) | | – | | | | | Other | | (10) | | – | | – | | (10) | | (10) | | – | | | | | Total interest bearing liabilities | | (3,111) | | (2) | | – | | (3,113) | | (1,093) | | (2,020) | | | | | At 31 December 2024 | | | | | | | | | | | | | | | | | US Dollar | | (2,594) | | (310) | | (16) | | (2,920) | | (324) | | (2,596) | | 3.5 | | 4.1 | Euro | | (527) | | (130) | | – | | (657) | | (130) | | (527) | | | | | Other | | (4) | | (14) | | – | | (18) | | (18) | | – | | | | | Total interest bearing liabilities | | (3,125) | | (454) | | (16) | | (3,595) | | (472) | | (3,123) | | | | |
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| Currency and interest rate profile of interest bearing assets |
| | | | | | | | | | | | | | | Cash and cash | | Currency | | Interest rate | | | | Floating | | Fixed | | | equivalents | | swaps | | swaps | | Total assets | | rate assets | | rate assets | | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | At 31 December 2025 | | | | | | | | | | | | | US Dollar | | 393 | | 2 | | 4 | | 399 | | 395 | | 4 | Euro | | 26 | | – | | 7 | | 33 | | 33 | | – | Other | | 138 | | – | | – | | 138 | | 138 | | – | Total interest bearing assets | | 557 | | 2 | | 11 | | 570 | | 566 | | 4 | At 31 December 2024 | | | | | | | | | | | | | US Dollar | | 482 | | 146 | | – | | 628 | | 628 | | – | Euro | | 9 | | 37 | | 10 | | 56 | | 56 | | – | Other | | 128 | | 270 | | – | | 398 | | 398 | | – | Total interest bearing assets | | 619 | | 453 | | 10 | | 1,082 | | 1,082 | | – |
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| Schedule of fair value of financial instruments |
| | | | | | | | | | | | | | | | | | | | | Carrying amount | | Fair value | | | Fair value – hedging instruments | | Amortised cost | | Fair value through OCI | | Fair value through profit or loss | | Total | | Level 1 | | Level 2 | | Level 3 | | Total | At 31 December 2025 | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | Financial assets measured at fair value | | | | | | | | | | | | | | | | | | | Forward foreign exchange contracts | | 33 | | – | | – | | – | | 33 | | – | | 33 | | – | | 33 | Investments | | – | | – | | – | | 30 | | 30 | | – | | – | | 30 | | 30 | Investments relating to deferred compensation arrangements | | – | | – | | – | | 106 | | 106 | | 106 | | – | | – | | 106 | Interest rate swaps | | 11 | | – | | – | | – | | 11 | | – | | 11 | | – | | 11 | Currency swaps | | – | | – | | – | | 2 | | 2 | | – | | 2 | | – | | 2 | | | 44 | | – | | – | | 138 | | 182 | | | | | | | | | Financial liabilities measured at fair value | | | | | | | | | | | | | | | | | | | Acquisition consideration - contingent | | – | | – | | – | | (107) | | (107) | | – | | – | | (107) | | (107) | Forward foreign exchange contracts | | (15) | | – | | – | | – | | (15) | | – | | (15) | | – | | (15) | Currency swaps | | – | | – | | – | | (2) | | (2) | | – | | (2) | | – | | (2) | | | (15) | | – | | – | | (109) | | (124) | | | | | | | | | Financial assets not measured at fair value | | | | | | | | | | | | | | | | | | | Trade and other receivables | | – | | 1,278 | | – | | – | | 1,278 | | | | | | | | | Cash and cash equivalents | | – | | 557 | | – | | – | | 557 | | | | | | | | | | | – | | 1,835 | | – | | – | | 1,835 | | | | | | | | | Financial liabilities not measured at fair value | | | | | | | | | | | | | | | | | | | Bank overdrafts and loans | | – | | (8) | | – | | – | | (8) | | | | | | | | | Corporate bond not in a hedge relationship | | – | | (1,394) | | – | | – | | (1,394) | | | | | | | | | Corporate bond in a hedge relationship | | – | | (1,084) | | – | | – | | (1,084) | | | | | | | | | Private placement debt not in a hedge relationship | | – | | (625) | | – | | – | | (625) | | | | | | | | | Trade and other payables | | – | | (1,243) | | – | | – | | (1,243) | | | | | | | | | | | – | | (4,354) | | – | | – | | (4,354) | | | | | | | | |
| | | | | | | | | | | | | | | | | | | Carrying amount | | Fair value | | | Fair value – hedging instruments | | Amortised cost | | Fair value through OCI | | Fair value through profit or loss | | Total | | Level 2 | | Level 3 | | Total | At 31 December 2024 | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | Financial assets measured at fair value | | | | | | | | | | | | | | | | | Forward foreign exchange contracts | | 46 | | – | | – | | – | | 46 | | 46 | | – | | 46 | Investments | | – | | – | | – | | 9 | | 9 | | – | | 9 | | 9 | Interest rate swaps | | 10 | | – | | – | | – | | 10 | | 10 | | – | | 10 | Currency swaps | | – | | – | | – | | 1 | | 1 | | 1 | | – | | 1 | | | 56 | | – | | – | | 10 | | 66 | | | | | | | Financial liabilities measured at fair value | | | | | | | | | | | | | | | | | Acquisition consideration - contingent | | – | | – | | – | | (84) | | (84) | | – | | (84) | | (84) | Forward foreign exchange contracts | | (16) | | – | | – | | – | | (16) | | (16) | | – | | (16) | Interest rate swaps | | (16) | | – | | – | | – | | (16) | | (16) | | – | | (16) | Currency swaps | | – | | – | | – | | (2) | | (2) | | (2) | | – | | (2) | | | (32) | | – | | – | | (86) | | (118) | | | | | | | Financial assets not measured at fair value | | | | | | | | | | | | | | | | | Trade and other receivables | | – | | 1,190 | | – | | – | | 1,190 | | | | | | | Cash and cash equivalents | | – | | 619 | | – | | – | | 619 | | | | | | | | | – | | 1,809 | | – | | – | | 1,809 | | | | | | | Financial liabilities not measured at fair value | | | | | | | | | | | | | | | | | Acquisition consideration - deferred | | – | | (21) | | – | | – | | (21) | | | | | | | Bank overdrafts | | – | | (2) | | – | | – | | (2) | | | | | | | Corporate bond not in a hedge relationship | | – | | (1,492) | | – | | – | | (1,492) | | | | | | | Corporate bond in a hedge relationship | | – | | (1,006) | | – | | – | | (1,006) | | | | | | | Private placement debt not in a hedge relationship | | – | | (625) | | – | | – | | (625) | | | | | | | Trade and other payables | | – | | (1,084) | | – | | – | | (1,084) | | | | | | | | | – | | (4,230) | | – | | – | | (4,230) | | | | | | |
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| Schedule of corporate bonds and private placement debt |
| | | | | | | | | 2025 | | 2024 | | | Book | Market | | Book | Market | | | value | value | | value | value | | | $ million | $ million | | $ million | $ million | 2030 USD corporate bond | | 897 | 810 | | 995 | 836 | 2034 USD corporate bond | | 641 | 672 | | 628 | 642 | 2027 USD corporate bond | | 349 | 354 | | 348 | 352 | 2029 EUR corporate bond | | 591 | 617 | | 527 | 547 | Private placement debt | | 625 | 594 | | 625 | 573 |
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| Schedule of movements in financial instruments measured at Level 3 in the fair value hierarchy |
| | | | | | | 2025 | | 2024 | | | $ million | | $ million | Investments | | | | | At 1 January | | 9 | | 8 | Additions | | 2 | | 1 | Transferred from receivables | | 18 | | – | Fair value remeasurement | | 1 | | – | At 31 December | | 30 | | 9 | | | | | | Contingent consideration receivable | | | | | At 1 January | | – | | 18 | Transferred to receivables | | – | | (18) | At 31 December | | – | | – | | | | | | Contingent acquisition consideration liability | | | | | At 1 January | | (84) | | (32) | Arising on acquisitions | | – | | (49) | Payments | | 6 | | 6 | Remeasurements | | (29) | | (9) | At 31 December | | (107) | | (84) |
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| Currency risk |
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| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of forecast transactional foreign exchange exposures |
| | | | | | | | | | | | | Currency risk on foreign operations | | | | | | | | Change in value | | | | | | | | | | | used for | | | | | | | Balance in | | calculating | | | | | Hedging | | translation reserve | | ineffectiveness | | | | | instrument | | Continuing | | Discontinued | | Hedged | | Hedging | | Hedge | | | notional | | hedges | | hedges | | item | | instrument | | ineffectiveness | | | million | | $ million | | $ million | | $ million | | $ million | | $ million | At 31 December 2025 | | 500 | | 102 | | 16 | | 68 | | 68 | | – | At 31 December 2024 | | 500 | | 34 | | 16 | | (33) | | (33) | | – |
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| Schedule of sensitivity analysis pursuant to reasonably possible change in risk variable |
| | | | | | | | | | | 2025 | | 2024 | | | Increase/ | | | | Increase/ | | | | | (decrease) in | | Increase/ | | (decrease) in | | Increase/ | | | income | | (decrease) in | | income | | (decrease) in | | | statement | | OCI | | statement | | OCI | | | $ million | | $ million | | $ million | | $ million | 10% weakening of the US Dollar | | 1 | | (46) | | – | | (40) | 10% strengthening of the US Dollar | | (1) | | 46 | | – | | 40 |
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| Currency risk | Forward foreign exchange contracts |
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| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of sensitivity analysis pursuant to reasonably possible change in risk variable |
| | | | | | | | | | | 2025 | | 2024 | | | Increase/ | | | | Increase/ | | | | | (decrease) in | | Increase/ | | (decrease) in | | Increase/ | | | income | | (decrease) in | | income | | (decrease) in | | | statement | | OCI | | statement | | OCI | | | $ million | | $ million | | $ million | | $ million | 10% weakening of the US Dollar | | (6) | | (138) | | (7) | | (41) | 10% strengthening of the US Dollar | | 6 | | 129 | | 7 | | 41 |
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| Cash flow hedges |
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| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of cash flow hedge relationships |
| | | | | | | | | | | | | | | | | Carrying | | Hedge | | | | | | | | | value | | ineffectiveness | | | | | Average | | Nominal | | assets/ | | in profit | | | | | strike | | amounts | | (liabilities) | | or loss | | Balance Sheet | As at 31 December 2025 | | rate | | $ million | | $ million | | $ million | | classification | Forward exchange contracts | | | | | | | | | | | Sell Euros | | | | | | | | | | | < 1 year | | 1.17 | | 390 | | (4) | | – | | Current assets / current liabilities | 1 - 3 years | | 1.20 | | 390 | | (1) | | – | | Non-current assets / non-current liabilities | Sell Australian Dollars | | | | | | | | | | | < 1 year | | 0.65 | | 110 | | (3) | | – | | Current assets / current liabilities | 1 - 3 years | | 0.65 | | 110 | | (1) | | – | | Non-current assets / non-current liabilities | Sell Canadian Dollars | | | | | | | | | | | < 1 year | | 1.36 | | 53 | | – | | – | | Current assets / current liabilities | 1 - 3 years | | 1.35 | | 53 | | – | | – | | Non-current assets / non-current liabilities | Sell Japanese Yen | | | | | | | | | | | < 1 year | | 140 | | 131 | | 14 | | – | | Current assets / current liabilities | 1 - 3 years | | 140 | | 131 | | 10 | | – | | Non-current assets / non-current liabilities | Sell South Korean won | | | | | | | | | | | < 1 year | | 1,372 | | 31 | | 2 | | – | | Current assets / current liabilities | 1 - 3 years | | 1,366 | | 29 | | 1 | | – | | Non-current assets / non-current liabilities | Total cash flow hedges of foreign currency risk on forecast transactions | | | | 1,428 | | 18 | | – | | |
| | | | | | | | | | | | | | | | | Carrying | | Hedge | | | | | | | | | value | | ineffectiveness | | | | | Average | | Nominal | | assets/ | | in profit | | | | | strike | | amounts | | (liabilities) | | or loss | | Balance Sheet | As at 31 December 2024 | | rate | | $ million | | $ million | | $ million | | classification | Forward exchange contracts | | | | | | | | | | | Sell Euros (net) for US Dollars | | 1.10 | | 570 | | 10 | | – | | Current assets / current liabilities | Buy Pound sterling (net) for US Dollars | | 1.24 | | 438 | | – | | – | | Current assets / current liabilities | Sell Euros (net) for Pound sterling | | 0.85 | | 335 | | 2 | | – | | Current assets / current liabilities | Sell Singapore Dollars (net) for US Dollars | | 1.32 | | 174 | | 4 | | – | | Current assets / current liabilities | Buy Swiss Franc (net) for Euros | | 0.93 | | 134 | | – | | – | | Current assets / current liabilities | Sell Australian Dollars (net) for Singapore Dollars | | 0.87 | | 122 | | 3 | | – | | Current assets / current liabilities | Sell Japanese Yen (net) for Singapore Dollars | | 110 | | 101 | | 3 | | – | | Current assets / current liabilities | Other currencies | | | | 541 | | 8 | | – | | Current assets / current liabilities | Total cash flow hedges of foreign currency risk on forecast transactions | | | | 2,415 | | 30 | | – | | |
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| Fair value hedges | Interest rate risk |
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| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of information about hedging instruments |
| | | | | | | | | | | | | | | | | | | | | Fixed rate debt | | Derivatives - Interest rate swaps | | | | | | | | | Fair value | | | | | | | | | | Fair value | | | | | | | | | change | | | | | | | | | | change | | | | | | | | | used for | | | | | | | | | | used for | | | | | Cumulative | | | | recognising | | | | | | | | | | recognising | | | | | fair value | | Group | | hedge | | | | | | Group | | | | hedge | | | Carrying | | hedge | | Balance | | ineffectiveness | | Carrying amount | | Balance | | Nominal | | ineffectiveness | | | amount1 | | adjustments | | Sheet | | charge/(credit) | | assets | | liabilities | | Sheet | | amount | | charge/(credit) | | | $ million | | $ million | | line item | | $ million | | $ million | | $ million | | line item | | million | | $ million | At 31 December 2025 | | | | | | | | | | | | | | | | | | | US Dollar bond | | (500) | | (3) | | Long-term borrowings | | 20 | | 4 | | – | | Other non-current | | (500) | | (20) | Euro bond | | (588) | | 6 | | and lease liabilities | | (3) | | 7 | | – | | assets | | (500) | | 3 | At 31 December 2024 | | | | | | | | | | | | | | | | | | | US Dollar bond | | (500) | | (16) | | Long-term borrowings | | (16) | | – | | (16) | | Other non-current | | (500) | | 16 | Euro bond | | (520) | | 10 | | and lease liabilities | | 3 | | 10 | | – | | assets/ (liabilities) | | (500) | | (3) |
| 1 | The carrying amount relates to a hedge of the €500m EUR corporate bond ($588m translated at closing USD/EUR rate (2024: $520m)) and a hedge of $500m out of the $650m corporate bond. |
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| Net investment hedge | Currency risk |
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| Disclosure of detailed information about financial instruments [line items] |
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| Schedule of information about hedging instruments |
| | | | | | | | | | | | | | | Balance sheet classification | | | | | | | | (Gains) / losses | | | | | | | | | | | | | recognised | | | | | | | | | Carrying value of | | in Other | | | | | | | | | hedging | | Comprehensive | | Amounts reclassified | | | | | instrument | | Income | | to income statement | | | | | 2025 | | 2024 | | 2025 | | 2024 | | 2025 | | 2024 | | | | | $ million | | $ million | | $ million | | $ million | | $ million | | $ million | Long-term borrowings and lease liabilities | | | | 588 | | 520 | | 68 | | (33) | | – | | – |
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