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v3.22.4

Intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Intangible assets |
Schedule of Intangible assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022 | ​ | 2021
​ |  | Goodwill |  | Other (1) |  | Total |  | Goodwill |  | Other (1) |  | Total
Cost | ​ | £m | ​ | £m | ​ | £m | ​ | £m | ​ | £m | ​ | £m
At 1 January |  | 9,939 | ​ | 3,050 | ​ | 12,989 |  | 9,939 | ​ | 2,592 | ​ | 12,531
Currency translation and other adjustments |  | (8) |  | (3) |  | (11) |  | — |  | 29 |  | 29
Additions |  | — |  | 743 |  | 743 |  | — |  | 479 |  | 479
Disposals and write-off of fully amortised assets |  | — |  | (27) |  | (27) |  | — |  | (50) |  | (50)
At 31 December |  | 9,931 | ​ | 3,763 | ​ | 13,694 |  | 9,939 | ​ | 3,050 | ​ | 12,989
​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​
Accumulated amortisation and impairment |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​
At 1 January |  | 4,417 | ​ | 1,849 | ​ | 6,266 |  | 4,332 | ​ | 1,544 | ​ | 5,876
Currency translation and other adjustments |  | (8) |  | (4) |  | (12) |  | — |  | 31 |  | 31
Disposals and write-off of fully amortised assets |  | — |  | (17) |  | (17) |  | — |  | (28) |  | (28)
Impairment of intangible assets |  | — |  | — |  | — |  | 85 |  | 2 |  | 87
Amortisation charge for the year | ​ | — | ​ | 341 | ​ | 341 | ​ | — | ​ | 300 | ​ | 300
At 31 December |  | 4,409 |  | 2,169 |  | 6,578 |  | 4,417 |  | 1,849 |  | 6,266
​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​
Net book value at 31 December |  | 5,522 |  | 1,594 |  | 7,116 |  | 5,522 |  | 1,201 |  | 6,723
​
(1) | Principally internally generated software.

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- References No definition available. + Details
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- Definition The disclosure of intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
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