Other Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Other Assets [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Total	Total
Securities borrowed	$ 38,233,000,000	$ 37,451,000,000
Derivative instruments, net	4,155,000,000	11,183,000,000
Bank-owned life insurance	3,965,000,000	3,856,000,000
Investments in joint ventures and other unconsolidated entities	3,753,000,000	3,317,000,000
Collateral, net	1,603,000,000	3,216,000,000
Right-of-use assets	865,000,000	818,000,000
Prepaid expenses	837,000,000	738,000,000
Deferred tax assets, net of valuation allowance	627,000,000	701,000,000
Accounts receivable	621,000,000	504,000,000
Income taxes receivable	256,000,000	144,000,000
Receivable for securities settlement	102,000,000	57,000,000
Other	3,451,000,000	2,529,000,000
Total	58,468,000,000	64,514,000,000
Equity securities without readily determinable fair value	585,000,000	341,000,000
Impairment	0
Advances to affiliate	1,570,000,000	1,040,000,000.00
Capitalized costs to fulfil contracts with customers	$ 1,190,000,000	$ 920,000,000