Schedule of Tangible Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Long-Lived Assets
Long-Lived Assets	$ 2,955	$ 2,852
UNITED STATES
Long-Lived Assets
Long-Lived Assets	1,603	1,496
GERMANY
Long-Lived Assets
Long-Lived Assets	333	324
UNITED KINGDOM
Long-Lived Assets
Long-Lived Assets	316	295
Other countries
Long-Lived Assets
Long-Lived Assets	$ 703	$ 737

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.

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

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant