RETIREMENT PLANS Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans (Details) - U.S. plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 12	$ 21	$ 36	$ 64
Interest cost	115	85	345	254
Expected return on plan assets	(133)	(162)	(398)	(487)
Actuarial loss	23	21	69	65
Amortization of prior service cost	6	6	18	17
Net periodic pension expense (income)	$ 23	$ (29)	$ 70	$ (87)