Loans, Lending Commitments and Related Allowance for Credit Losses - Gross Charge-offs by Origination Year (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable and Allowance for Credit Losses
Revolving	$ (29)		$ (45)
2022	(6)		(6)	$ (10)
Prior to 2022		$ (31)		(52)
Prior			(21)
Total	(35)	(31)	(72)	(62)
Corporate
Financing Receivable and Allowance for Credit Losses
Revolving	(29)		(45)
2022	0		0	0
Prior to 2022		0		0
Prior			0
Total	(29)	0	(45)	0
Secured lending facilities
Financing Receivable and Allowance for Credit Losses
Revolving	0		0
2022	0		0	0
Prior to 2022		0		0
Prior			0
Total	0	0	0	0
Commercial real estate
Financing Receivable and Allowance for Credit Losses
Revolving	0		0
2022	(6)		(6)	(10)
Prior to 2022		(31)		(52)
Prior			(11)
Total	(6)	(31)	(17)	(62)
Residential real estate
Financing Receivable and Allowance for Credit Losses
Revolving	0		0
2022	0		0	0
Prior to 2022		0		0
Prior			0
Total	0	0	0	0
SBL and Other
Financing Receivable and Allowance for Credit Losses
Revolving	0		0
2022	0		0	0
Prior to 2022		0		0
Prior			(10)
Total	$ 0	$ 0	$ (10)	$ 0

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No definition available.

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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.

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Amount of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

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