RETIREMENT BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2026	Mar. 28, 2025
Operating
Service cost	$ 5	$ 6
Non-operating
Interest cost	73	91
Expected return on plan assets	(138)	(156)
Amortization of net actuarial gains	(4)	(4)
Amortization of prior service credits	(6)	(7)
Effect of settlements	0	(14)
Non-service cost net periodic benefit income	(75)	(90)
Net periodic benefit income	(70)	(84)
Pension
Operating
Service cost	5	6
Non-operating
Interest cost	71	88
Expected return on plan assets	(133)	(151)
Amortization of net actuarial gains	(1)	(1)
Amortization of prior service credits	(6)	(7)
Effect of settlements	0	(14)
Non-service cost net periodic benefit income	(69)	(85)
Net periodic benefit income	(64)	(79)
Other Benefits
Operating
Service cost	0	0
Non-operating
Interest cost	2	3
Expected return on plan assets	(5)	(5)
Amortization of net actuarial gains	(3)	(3)
Amortization of prior service credits	0	0
Effect of settlements	0	0
Non-service cost net periodic benefit income	(6)	(5)
Net periodic benefit income	$ (6)	$ (5)