EMPLOYEE BENEFITS PLANS - Changes in the Fair Value of Pension Plan Assets, Projected Benefit Obligation, Funded Status, and Accumulated Benefit Obligation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Qualified Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets as of January 1	$ 1,300	$ 1,281
Return on plan assets	178	86
Employer contributions	0	0
Settlements	(18)	0
Benefits and administrative expenses paid	(64)	(67)
Fair value of plan assets as of December 31	1,396	1,300
Projected benefit obligation	808	828
Pension asset (obligation)	588	472
Accumulated benefit obligation	808	828
Non-Qualified Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets as of January 1	0	0
Return on plan assets	0	0
Employer contributions	10	20
Settlements	0	(11)
Benefits and administrative expenses paid	(10)	(9)
Fair value of plan assets as of December 31	0	0
Projected benefit obligation	82	84
Pension asset (obligation)	(82)	(84)
Accumulated benefit obligation	$ 82	$ 84