RETIREMENT PLANS - Schedule of 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, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 11	$ 12	$ 32	$ 39
Interest cost	127	112	377	335
Expected return on plan assets	(157)	(148)	(465)	(444)
Actuarial loss	17	20	52	59
Amortization of prior service cost	4	4	12	10
Settlement	0	0	8	0
Termination benefits	2	0	4	0
Net periodic pension expense (income)	$ 4	$ 0	$ 20	$ (1)