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Financing Receivables - Purchases, Sales and Nonperforming (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Nonperforming
Financing Receivables
Loans	$ 12		$ 12		$ 12
Deteriorated credit quality
Financing Receivables
Loans purchased			0
Commercial Loans | Syndicated loans
Financing Receivables
Loans purchased	0	$ 20	7	$ 21
Loans sold	1	1	5	4
Loans	109		109		145
Consumer Loans | Residential mortgage loans
Financing Receivables
Loans purchased	42	$ 49	152	$ 144
Loans	$ 424		$ 424		$ 300

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

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