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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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BORROWINGS - Schedule of Long-term Borrowings (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2026	Mar. 03, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Capital lease obligations	$ 81		$ 72
Total long-term borrowings	$ 24,354		35,784
Parent \| Fixed-to-Floating Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.231%
Interest Rate After Reset	1.41%
Long-term debt, gross	$ 479		497
Parent \| Fixed-to-Floating Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.869%
Interest Rate After Reset	1.487%
Long-term debt, gross	$ 474		0
Parent \| Fixed-to-Floating Senior Notes \| Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, stated interest rate		4.869%
Parent \| Fixed Rate Reset Subordinated Notes \| Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.60%
Interest Rate After Reset	1.85%
Long-term debt, gross	$ 571		597
Parent \| Fixed-to-Fixed Subordinated Notes \| Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.254%
Interest Rate After Reset	1.97%
Long-term debt, gross	$ 689		745
Subsidiaries \| Fixed-to-Floating Senior Notes at 5.097%, Issuance June 24, 2026 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.097%
Interest Rate After Reset	1.146%
Long-term debt, gross	$ 1,130		0
Subsidiaries \| Fixed Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.00%
Long-term debt, gross	$ 57		58
Subsidiaries \| Fixed Subordinated Notes \| Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.125%
Long-term debt, gross	$ 420		430
Subsidiaries \| Purchase Money Note to FDIC fixed at 3.500% \| Secured Debt
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.50%
Long-term debt, gross	$ 20,453		33,385
Debt instrument, unamortized discount	$ 47		$ 115