POSTRETIREMENT BENEFIT PLANS - Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2022	Apr. 02, 2021
Pension
Operating
Service cost	$ 10	$ 18
Non-operating
Interest cost	55	46
Expected return on plan assets	(156)	(155)
Amortization of net actuarial loss (gain)	2	9
Amortization of prior service credit	(6)	(7)
Non-service cost periodic benefit income	(105)	(107)
Net periodic benefit income	(95)	(89)
Other Benefits
Operating
Service cost	1	1
Non-operating
Interest cost	2	1
Expected return on plan assets	(5)	(5)
Amortization of net actuarial loss (gain)	(2)	0
Amortization of prior service credit	0	0
Non-service cost periodic benefit income	(5)	(4)
Net periodic benefit income	$ (4)	$ (3)