Other Assets (Schedule of Other Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Assets [Abstract]
Property and equipment at cost	$ 2,435	$ 2,352
Accumulated depreciation	(1,154)	(1,076)
Net property and equipment	1,281	1,276
Investment in qualified affordable housing projects	1,642	1,596
Net deferred tax assets	1,087	1,087
Nonmarketable equity investments	870	842
Accrued interest, fees, and rent receivables	847	786
Goodwill	822	822	$ 822
Equity-method investments	621	608
Restricted cash held for securitization trusts	590	585
Other accounts receivable	155	164
Operating lease right-of-use assets	98	111
Net intangible assets	85	98
Restricted cash and cash equivalents	76	66
Other assets	979	1,097
Total other assets	$ 9,153	$ 9,138
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total other assets	Total other assets