Financing Receivables - Credit Quality Information - Credit Card Receivables (Details) - Consumer Loans - Credit card receivables - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Residential mortgage loans
Total	$ 117	$ 110
Percentage of receivables past due	2.00%	1.00%
> 800
Residential mortgage loans
Total	$ 32	$ 32
750 - 799
Residential mortgage loans
Total	28	27
700 - 749
Residential mortgage loans
Total	30	28
650 - 699
Residential mortgage loans
Total	19	17
Less than 650
Residential mortgage loans
Total	$ 8	$ 6

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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