POSTRETIREMENT BENEFIT PLANS (Tables)

9 Months Ended

Sep. 27, 2020

Retirement Benefits [Abstract]

Schedule of Pretax Net Periodic Benefit Cost

Our pretax net periodic benefit (income) cost related to our qualified defined benefit pension plans and retiree medical and life insurance plans consisted of the following (in millions):

	Quarters Ended				Nine Months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Qualified defined benefit pension plans
Service cost	$	25	$	129	$	76	$	387
Interest cost	385		452		1,154		1,355
Expected return on plan assets	(566)		(575)		(1,698)		(1,725)
Recognized net actuarial losses	213		351		637		1,053
Amortization of prior service credits	(86)		(83)		(257)		(250)
Total net periodic benefit (income) cost	$	(29)	$	274	$	(88)	$	820
Retiree medical and life insurance plans
Service cost	$	3	$	4	$	10	$	11
Interest cost	18		25		53		73
Expected return on plan assets	(32)		(28)		(96)		(83)
Recognized net actuarial losses	(1)		1		(3)		2
Amortization of prior service costs	10		10		29		31
Total net periodic benefit (income) cost	$	(2)	$	12	$	(7)	$	34