Leases Sales-Type and Direct Financing Leases (Details) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Lessor, Lease, Description [Line Items]
Total loans, net	[1]	$ 316,467	$ 321,508
Carrying value of residual assets with third-party residual value		600	600
Total commercial lending
Lessor, Lease, Description [Line Items]
Total loans, net		216,164	219,558
Total commercial lending | Equipment lease financing
Lessor, Lease, Description [Line Items]
Lease receivables		6,229	5,986
Unguaranteed residual asset values		1,395	1,440
Unearned income		(869)	(884)
Total loans, net		$ 6,755	$ 6,542

[1] Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $0.8 billion, Loans of $1.2 billion and Other assets of $0.1 billion at December 31, 2024. Comparable amounts at December 31, 2023 were $0.7 billion, $1.2 billion and $0.1 billion, respectively.