Other Assets (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other Assets [Line Items]
Accumulated goodwill impairment losses	$ 221	$ 221
Gross carrying amount	662	642
Accumulated amortization	572	519
Amortization expense	36	46	$ 49
Expected amortization expense in 2025	25
Expected amortization expense in 2026	23
Expected amortization expense in 2027	19
Expected amortization expense in 2028	16
Expected amortization expense in 2029	4
Expected amortization expense thereafter	3
Tax credit investments	$ 1,782	$ 1,568
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Tax credit investments unfunded commitment	$ 755
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration]	Accounts payable & other liabilities	Accounts payable & other liabilities	Accounts payable & other liabilities
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration]	Accounts payable & other liabilities	Accounts payable & other liabilities	Accounts payable & other liabilities
Earliest Year
Other Assets [Line Items]
Tax credit investments commitment, year to be paid	2026
Latest Year
Other Assets [Line Items]
Tax credit investments commitment, year to be paid	2041
Variable Interest Entity, Primary Beneficiary
Other Assets [Line Items]
Tax credit investments	$ 1,266	$ 1,168
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Tax credit investments unfunded commitment	$ 445