PENSION AND OTHER POSTRETIREMENT BENEFITS (Estimated Future Benefit Payments) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 238
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	213
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	210
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	207
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	203
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	945
Total estimated future benefit payments	2,016
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	13
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	13
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	13
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	12
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	12
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	51
Total estimated future benefit payments	$ 114