Leases - Schedule of Operating Lease Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Lease income – Operating leases	$ 201.0	$ 0.0	$ 592.0	$ 0.0
Variable lease income – Operating leases	18.0	0.0	48.0	0.0
Rental income on operating leases	219.0	0.0	640.0	0.0
Interest income - Sales type and direct financing leases	43.0	4.0	127.0	14.0
Variable lease income included in Other noninterest income	13.0	0.0	37.0	0.0
Interest income - Leveraged leases	5.0	0.0	14.0	0.0
Total lease income	280.0	$ 4.0	818.0	$ 14.0
Property tax reimbursement due from customer	4.0		13.0
Variable lease, income related to insurance coverage	$ 9.0		$ 24.0