RETIREMENT BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2025	Mar. 29, 2024
Pension
Operating
Service cost	$ 6	$ 8
Non-operating
Interest cost	88	99
Expected return on plan assets	(151)	(165)
Amortization of net actuarial gains	(1)	(1)
Amortization of prior service credits	(7)	(7)
Effect of settlements	(14)	0
Non-service cost net periodic benefit income	(85)	(74)
Net periodic benefit income	(79)	(66)
Other Benefits
Operating
Service cost	0	0
Non-operating
Interest cost	3	3
Expected return on plan assets	(5)	(5)
Amortization of net actuarial gains	(3)	(4)
Amortization of prior service credits	0	0
Effect of settlements	0	0
Non-service cost net periodic benefit income	(5)	(6)
Net periodic benefit income	$ (5)	$ (6)