RETIREMENT PLANS Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($) employees	Sep. 30, 2021 USD ($) employees	Sep. 30, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Pension plan contributions		$ 0	$ 0
Liability, Defined Benefit Pension Plan	$ 286	$ 286
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan	$ 263
Defined Contribution Plan, Number of Employees | employees	900	900
Defined Benefit Plan, Plan Assets, Amount	$ 520	$ 520
Non Qualified
Defined Benefit Plan Disclosure [Line Items]
Benefits paid		$ 16