Employee Benefits (Tables)

6 Months Ended

Jul. 03, 2021

Retirement Benefits [Abstract]

Components of Plan Benefit Expense

Pension

	Quarter ended				Year-to-date period ended
(millions)	July 3, 2021		June 27, 2020		July 3, 2021		June 27, 2020
Service cost	$	9	$	9	$	18	$	18
Interest cost	25		33		50		68
Expected return on plan assets	(77)		(85)		(155)		(170)
Amortization of unrecognized prior service cost	2		2		4		4
Recognized net (gain) loss	(11)		43		(20)		57
Net periodic benefit cost	$	(52)	$	2	$	(103)	$	(23)
Curtailment (gain) loss	—		(7)		—		(7)
Total pension (income) expense	$	(52)	$	(5)	$	(103)	$	(30)

Other nonpension postretirement

	Quarter ended				Year-to-date period ended
(millions)	July 3, 2021		June 27, 2020		July 3, 2021		June 27, 2020
Service cost	$	3	$	4	$	6	$	7
Interest cost	5		8		10		16
Expected return on plan assets	(23)		(23)		(46)		(46)
Amortization of unrecognized prior service cost	(2)		(3)		(4)		(5)
Total postretirement benefit (income) expense	$	(17)	$	(14)	$	(34)	$	(28)

Postemployment

	Quarter ended				Year-to-date period ended
(millions)	July 3, 2021		June 27, 2020		July 3, 2021		June 27, 2020
Service cost	$	1	$	1	$	2	$	2
Recognized net (gain) loss	(1)		(1)		(2)		(2)
Total postemployment benefit expense	$	—	$	—	$	—	$	—

Contributions to Employee Benefit Plans

Company contributions to employee benefit plans are summarized as follows:

(millions)	Pension		Nonpension postretirement		Total
Quarter ended:
July 3, 2021	$	1	$	7	$	8
June 27, 2020	$	—	$	6	$	6
Year-to-date period ended:
July 3, 2021	$	2	$	8	$	10
June 27, 2020	$	3	$	9	$	12
Full year:
Fiscal year 2021 (projected)	$	6	$	19	$	25
Fiscal year 2020 (actual)	$	8	$	24	$	32