SUPPLEMENTARY INFORMATION (Sundry) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplementary Information [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (144)	$ 34	$ 32
Gain on Sale of Investments	206	0	0
Gain (Loss) on Disposition of Property Plant Equipment	1	3	6
Gain (Loss) on Extinguishment of Debt	10	0	0
Other - net	(7)	(6)	(7)
Total sundry income (expense) - net	$ (25)	(53)	(53)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement and Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Total sundry income (expense) - net
Administrative and overhead fees [Member]
Supplementary Information [Line Items]
Costs and Expenses, Related Party	$ (72)	(65)	(63)
Net Commission Expense [Member]
Supplementary Information [Line Items]
Costs and Expenses, Related Party	$ (19)	$ (19)	$ (21)