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Segment information - Long-lived assets and other intangible assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment information - Consolidated Balance Sheet
Total long-lived assets by geographical area	$ 22,726	$ 19,133	$ 18,943
United Kingdom
Segment information - Consolidated Balance Sheet
Total long-lived assets by geographical area	1,819	1,786	1,691
United States
Segment information - Consolidated Balance Sheet
Total long-lived assets by geographical area	13,504	10,821	10,916
Other
Segment information - Consolidated Balance Sheet
Total long-lived assets by geographical area	$ 7,403	$ 6,526	$ 6,336

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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