PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Pension
Operating
Service cost	$ 6	$ 12	$ 12	$ 22
Non-operating
Interest cost	91	55	183	110
Expected return on plan assets	(152)	(156)	(305)	(312)
Amortization of net actuarial gain	(3)	3	(5)	5
Amortization of prior service (credit) cost	(6)	(8)	(13)	(14)
Non-service cost periodic benefit income	(70)	(106)	(140)	(211)
Net periodic benefit income	(64)	(94)	(128)	(189)
Other Benefits
Operating
Service cost	1	0	1	1
Non-operating
Interest cost	2	2	5	4
Expected return on plan assets	(5)	(6)	(10)	(11)
Amortization of net actuarial gain	(5)	(2)	(10)	(4)
Amortization of prior service (credit) cost	1	1	1	1
Non-service cost periodic benefit income	(7)	(5)	(14)	(10)
Net periodic benefit income	$ (6)	$ (5)	$ (13)	$ (9)