Retirement Plans (Tables)

3 Months Ended

Apr. 04, 2020

Retirement Plans

Components of net periodic benefit cost (credit)

					Postretirement Benefits
	Pension Benefits				Other Than Pensions
	April 4,		March 30,		April 4,		March 30,
(In millions)	2020		2019		2020		2019
Three Months Ended
Service cost	$	26	$	23	$	1	$	1
Interest cost		73		82		2		2
Expected return on plan assets		(144)		(139)		—		—
Amortization of net actuarial loss		46		25		—		—
Amortization of prior service cost (credit)		3		3		(1)		(2)
Net periodic benefit cost (credit)	$	4	$	(6)	$	2	$	1