EMPLOYEE BENEFIT PLANS (Summary Of Status Of Plan) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Pension Plans
Change in projected benefit obligation:
Benefit obligation at beginning of year	$ 291,000,000	$ 403,000,000
Service cost	5,000,000	9,000,000	$ 11,000,000
Interest cost	14,000,000	10,000,000	8,000,000
Actuarial (gain)/loss	9,000,000	(115,000,000)
Curtailment	0	0
Benefits paid	(25,000,000)	(15,000,000)
Projected benefit obligation at end of year	295,000,000	291,000,000	403,000,000
Change in plan assets:
Fair value of plan assets at beginning of year	285,000,000	377,000,000
Actual return on plan assets	48,000,000	(83,000,000)
Actual contributions during the year	1,000,000	6,000,000
Benefits paid	(25,000,000)	(15,000,000)
Fair value of plan assets at end of year	308,000,000	285,000,000	377,000,000
Funded status at end of year	13,000,000	(6,000,000)
Post-Retirement Plan
Change in projected benefit obligation:
Benefit obligation at beginning of year	21,000,000	31,000,000
Service cost	1,000,000	1,000,000	1,000,000
Interest cost	1,000,000	1,000,000	1,000,000
Amendments	0	0
Actuarial (gain)/loss	(1,000,000)	(10,000,000)
Benefits paid	0	0
Projected benefit obligation at end of year	22,000,000	21,000,000	31,000,000
Change in plan assets:
Fair value of plan assets at beginning of year	0	0
Actual contributions during the year	0	0
Benefits paid	0	0
Fair value of plan assets at end of year	0	0	$ 0
Funded status at end of year	$ (22,000,000)	$ (21,000,000)