v3.26.1
RETIREMENT PLANS - Schedule of Net Periodic Pension Expense (Income) for Qualified and Nonqualified U.S. Defined Benefit Plans (Details) - U.S. plans - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 12 $ 11 $ 24 $ 21
Interest cost 124 126 248 250
Expected return on plan assets (159) (157) (318) (308)
Actuarial loss 13 17 24 35
Amortization of prior service cost 3 4 7 8
Settlement 0 0 0 8
Termination benefits 0 2 0 2
Net periodic pension expense (income) $ (7) $ 3 $ (15) $ 16