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Intangible assets (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Feb. 28, 2023
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | $ 1,382,000,000 | $ 1,473,000,000 |
Additions | 24,000,000 | 15,000,000 |
Acquisitions |  | 6,000,000 |
Charge for the year | (140,000,000) | (143,000,000) |
Exchange | (43,000,000) | 31,000,000 |
Ending balance | 1,223,000,000 | 1,382,000,000 |
NOMOQ AG [Member] |  |  |
Disclosure of detailed information about intangible assets |  |  |
Goodwill |  |  | $ 4,000,000
Cost |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 2,473,000,000 |  |
Ending balance | 2,413,000,000 | 2,473,000,000 |
Amortization |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | (1,091,000,000) |  |
Ending balance | (1,190,000,000) | (1,091,000,000) |
Goodwill |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 999,000,000 | 976,000,000 |
Acquisitions |  | 4,000,000 |
Exchange | (33,000,000) | 19,000,000 |
Ending balance | 966,000,000 | 999,000,000 |
Goodwill | Cost |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 999,000,000 |  |
Ending balance | 966,000,000 | 999,000,000 |
Customer relationships |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 352,000,000 | 476,000,000 |
Charge for the year | (129,000,000) | (134,000,000) |
Exchange | (8,000,000) | 10,000,000 |
Ending balance | 215,000,000 | 352,000,000 |
Customer relationships | Cost |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 1,373,000,000 |  |
Ending balance | 1,328,000,000 | 1,373,000,000 |
Customer relationships | Amortization |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | (1,021,000,000) |  |
Ending balance | (1,113,000,000) | (1,021,000,000) |
Technology and other |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 10,000,000 | 8,000,000 |
Additions | 10,000,000 | 12,000,000 |
Acquisitions |  | 2,000,000 |
Charge for the year | (3,000,000) | (2,000,000) |
Transfers |  | (10,000,000) |
Exchange | (1,000,000) |  |
Ending balance | 16,000,000 | 10,000,000 |
Technology and other | Cost |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 50,000,000 |  |
Ending balance | 57,000,000 | 50,000,000 |
Technology and other | Amortization |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | (40,000,000) |  |
Ending balance | (41,000,000) | (40,000,000) |
Joint IT Assets |  |  |
Disclosure of detailed information about intangible assets |  |  |
Additions | 4,000,000 | 5,000,000 |
Software |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 21,000,000 | 13,000,000 |
Additions | 14,000,000 | 3,000,000 |
Charge for the year | (8,000,000) | (7,000,000) |
Transfers |  | 10,000,000 |
Exchange | (1,000,000) | 2,000,000 |
Ending balance | 26,000,000 | 21,000,000 |
Software | Cost |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | 51,000,000 |  |
Ending balance | 62,000,000 | 51,000,000 |
Software | Amortization |  |  |
Disclosure of detailed information about intangible assets |  |  |
Beginning balance | (30,000,000) |  |
Ending balance | $ (36,000,000) | $ (30,000,000) |

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- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph IE72 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B64 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_vii&doctype=Standard -URIDate 2024-03-27 + Details
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