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EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2025

Retirement Benefits [Abstract]

Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

The following table provides the changes in benefit obligations, assets and the funded status of the Retirement Plans at December 31, 2025 and 2024.

Obligations and Funded Status

dollars in millions			Retirement Plans
			2025						2024
Change in benefit obligation
Projected benefit obligation at January 1			$	1,140					$	1,169
Service cost			8						10
Interest cost			63						59
Actuarial loss (gain)			18						(30)
Benefits paid			(70)						(68)
Projected benefit obligation at December 31			1,159						1,140
Change in plan assets
Fair value of plan assets at January 1			1,648						1,589
Actual return on plan assets			212						121
Employer contributions (1)			6						6
Benefits paid			(70)						(68)
Fair value of plan assets at December 31			1,796						1,648
Funded status at December 31			$	637					$	508
Information for retirement plans with a benefit obligation in excess of plan assets
Projected and accumulated benefit obligations			$	48					$	49
Reported in Consolidated Balance Sheets
Funded Pension Plans (other assets)			685						557
Unfunded Supplemental and Executive Retirement Plans (other liabilities)			(48)						(49)
Net funded status of Retirement Plans			$	637					$	508

(1) Represents contributions to cover benefits paid for unfunded Supplemental and Executive Retirement Plans.

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

The following table includes the amounts recognized in AOCI, before income taxes, at December 31, 2025 and 2024. Refer to Note 16—Accumulated Other Comprehensive (Loss) Income for additional information.

dollars in millions			Retirement Plans
			2025						2024
Net actuarial gain			$	282					$	182

Schedule of Net Benefit Costs

The following table shows the components of periodic benefit cost related to the Retirement Plans and changes in assets and benefit obligations of the Retirement Plans recognized in other comprehensive income, before income taxes, for the years ended December 31, 2025, 2024 and 2023. Refer to Note 16—Accumulated Other Comprehensive (Loss) Income for additional information.

Net Periodic Benefit Costs and Other Amounts

dollars in millions			Retirement Plans
			Year Ended December 31
			2025						2024						2023
Service cost			$	8					$	10					$	9
Interest cost			63						59						61
Expected return on assets			(94)						(91)						(85)
Total net periodic benefit			(23)						(22)						(15)
Actuarial gain recognized in other comprehensive income			(100)						(60)						(109)
Total recognized in net periodic benefit cost and other comprehensive income			$	(123)					$	(82)					$	(124)

Defined Benefit Plan, Assumptions

The weighted average assumptions (as of the end of each year) used to determine the benefit obligations at December 31, 2025 and 2024 are as follows:

Weighted Average Assumptions

			Retirement Plans
			2025						2024
Discount rate			5.57		%				5.69		%
Rate of compensation increase			4.60						4.60
Interest crediting rate (1)			4.25						4.50

(1) Specific to cash investments in the CIT Pension Plan.

The weighted average assumptions (as of the beginning of each year) used to determine the net periodic benefit cost for the years ended December 31, 2025, 2024 and 2023, are as follows:

Weighted Average Assumptions

			Retirement Plans
			2025						2024						2023
Discount rate			5.69		%				5.17		%				5.57		%
Rate of compensation increase			4.60						5.60						5.60
Expected long-term return on plan assets			6.20						6.18						6.14
Interest crediting rate (1)			4.50						4.00						4.25

(1) Specific to cash investments in the CIT Pension Plan.

Schedule of Allocation of Plan Assets

The following tables summarize the fair values and fair value hierarchy for the assets of the Pension Plans at December 31, 2025 and 2024.

Fair Value Measurements

dollars in millions			December 31, 2025
			Market Value						Level 1						Level 2						Level 3						Not Classified (1)						Weighted Average Target Allocation Pension Plans						Actual % of Plans' Assets
Cash and equivalents			$	68					$	68					$	—					$	—					$	—					—% - 5%						4		%
Equity securities																																	25% - 65%						45		%
Common and preferred stock			363						363						—						—						—
Mutual funds			221						221						—						—						—
Exchange traded funds			223						223						—						—						—
Fixed income																																	30% - 65%						46		%
U.S. government and government agency securities			4						—						4						—						—
Corporate bonds			4						—						4						—						—
Collective investment funds (fixed income)			825						—						—						—						825
Alternative investments																																	—% - 30%						5		%
Limited partnerships			88						—						—						—						88
Total pension assets			$	1,796					$	875					$	8					$	—					$	913											100		%
			December 31, 2024
			Market Value						Level 1						Level 2						Level 3						Not Classified (1)						Weighted Average Target Allocation Pension Plans						Actual % of Plans' Assets
Cash and equivalents			$	56					$	56					$	—					$	—					$	—					—% - 5%						3		%
Equity securities																																	25% - 65%						48		%
Common and preferred stock			145						145						—						—						—
Mutual funds			182						182						—						—						—
Exchange traded funds			458						458						—						—						—
Fixed income																																	30% - 65%						45		%
U.S. government and government agency securities			7						—						7						—						—
Corporate bonds			6						—						6						—						—
Collective investment funds (fixed income)			736						—						—						—						736
Alternative investments																																	—% - 30%						4		%
Limited partnerships			58						—						—						—						58
Total pension assets			$	1,648					$	841					$	13					$	—					$	794											100		%

(1) These investments have been measured using the NAV per share practical expedient and are not required to be classified in the above tables.

Schedule of Expected Benefit Payments

The following table presents estimated future benefits projected to be paid for the next ten years from the Pension Plans’ assets or from BancShares’ general assets calculated using current actuarial assumptions. Actual benefit payments may differ from projected benefit payments.

Projected Benefits

dollars in millions			Retirement Plans
2026			$	75
2027			79
2028			81
2029			84
2030			86
2031-2035			441

Deferred Compensation Arrangement, Schedule of Accrued Liabilities

The following table provides the accrued liability as of December 31, 2025 and 2024, and the changes in the accrued liability during the years then ended:

dollars in millions			2025						2024
Accrued liability as of January 1			$	33					$	34
Benefit expense and interest cost			2						3
Benefits paid			(3)						(4)
Accrued liability as of December 31			$	32					$	33
Discount rate at December 31			4.68		%				4.86		%

Schedule of Nonvested Restricted Stock Units Activity

The following table presents the vesting activity during 2024. There were no grants of stock-based compensation awards during 2025 or 2024 and there were no unvested awards as of December 31, 2025 and 2024, as 2024 was the last year of vesting. The fair value of RSUs that vested and settled in stock during 2024 were $31 million.

Stock-Settled Awards Outstanding

share amounts in whole dollars			Stock-Settled Awards
			Number of Shares						Weighted Average Grant Date Value(1)
December 31, 2024
Unvested at beginning of period			20,255						$	859.76
Forfeited / cancelled			—						859.76
Vested / settled awards			(20,255)						859.76
Unvested at end of period			—						$	859.76

(1) Represents the share price of BancShares as of the CIT Merger Date.

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