v3.25.1
POSTRETIREMENT BENEFIT PLANS - Schedule of Pretax Net Periodic Benefit Cost (Details) - Qualified defined benefit pension plans - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Operating:    
Service cost $ (13) $ (15)
Non-operating:    
Interest cost (368) (349)
Expected return on plan assets 360 393
Amortization of actuarial losses (78) (65)
Amortization of prior service (costs) credits (12) 37
Non-service FAS pension/retiree medical and life income (98) 16
Total FAS pension (expense) income $ (111) $ 1