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Goodwill and Intangible assets - Schedule intangible assets and goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | $ 989 |
Intangible assets and goodwill at end of period | 1,068 | $ 989
Goodwill |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 613 |
Intangible assets and goodwill at end of period | 685 | 613
Trademarks, Tradenames & Licenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 77 |
Intangible assets and goodwill at end of period | 87 | 77
Capitalized development expenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 138 |
Intangible assets and goodwill at end of period | 119 | 138
Other intangible assets |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 161 |
Intangible assets and goodwill at end of period | 177 | 161
Cost value |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 1,481 | 1,588
Additions | 27 | 44
Sales/disposals | 0 | (46)
Currency translation difference | 224 | (105)
Intangible assets and goodwill at end of period | 1,732 | 1,481
Cost value | Goodwill |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 626 | 680
Sales/disposals | 0 | (20)
Currency translation difference | 72 | (34)
Intangible assets and goodwill at end of period | 698 | 626
Cost value | Trademarks, Tradenames & Licenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 117 | 127
Additions | 0 | 0
Sales/disposals | 0 | 0
Currency translation difference | 22 | (10)
Intangible assets and goodwill at end of period | 139 | 117
Cost value | Capitalized development expenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 451 | 468
Additions | 27 | 44
Sales/disposals | 0 | (21)
Currency translation difference | 88 | (40)
Intangible assets and goodwill at end of period | 566 | 451
Cost value | Other intangible assets |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 287 | 313
Additions | 0 | 0
Sales/disposals | 0 | (5)
Currency translation difference | 42 | (21)
Intangible assets and goodwill at end of period | 329 | 287
Accumulated amortisation |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (410) | (341)
Amortization for the year | (88) | (110)
Sales/disposals | 0 | 13
Currency translation difference | (72) | 28
Intangible assets and goodwill at end of period | (570) | (410)
Accumulated amortisation | Goodwill |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | 0 | 0
Sales/disposals | 0 | 0
Currency translation difference | 0 | 0
Intangible assets and goodwill at end of period | 0 | 0
Accumulated amortisation | Trademarks, Tradenames & Licenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (32) | (21)
Amortization for the year | (5) | (13)
Sales/disposals | 0 | 0
Currency translation difference | (6) | 2
Intangible assets and goodwill at end of period | (43) | (32)
Accumulated amortisation | Capitalized development expenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (266) | (226)
Amortization for the year | (69) | (71)
Sales/disposals | 0 | 10
Currency translation difference | (54) | 21
Intangible assets and goodwill at end of period | (389) | (266)
Accumulated amortisation | Other intangible assets |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (112) | (94)
Amortization for the year | (14) | (26)
Sales/disposals | 0 | 3
Currency translation difference | (12) | 5
Intangible assets and goodwill at end of period | (138) | (112)
Accumulated impairment |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (82) | (47)
Impairment for the year | (2) | (49)
Sales/disposals | 0 | 11
Currency translation difference | (10) | 3
Intangible assets and goodwill at end of period | (94) | (82)
Accumulated impairment | Goodwill |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (13) | (13)
Impairment for the year | 0 | 0
Sales/disposals | 0 | 0
Currency translation difference | 0 | 0
Intangible assets and goodwill at end of period | (13) | (13)
Accumulated impairment | Trademarks, Tradenames & Licenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (8) | (8)
Impairment for the year | 0 | 0
Sales/disposals | 0 | 0
Currency translation difference | (1) | 0
Intangible assets and goodwill at end of period | (9) | (8)
Accumulated impairment | Capitalized development expenses |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (47) | (25)
Impairment for the year | (2) | (36)
Sales/disposals | 0 | 11
Currency translation difference | (9) | 3
Intangible assets and goodwill at end of period | (58) | (47)
Accumulated impairment | Other intangible assets |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |
Intangible assets and goodwill at beginning of period | (14) | (1)
Impairment for the year | 0 | (13)
Sales/disposals | 0 | 0
Currency translation difference | 0 | 0
Intangible assets and goodwill at end of period | $ (14) | $ (14)

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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 2025-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 263 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_i&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 263 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_i&doctype=Standard -URIDate 2025-03-27 + Details
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