Employee Benefits (Tables)

9 Months Ended

Oct. 02, 2021

Retirement Benefits [Abstract]

Components of Plan Benefit Expense

Pension

	Quarter ended				Year-to-date period ended
(millions)	October 2, 2021		September 26, 2020		October 2, 2021		September 26, 2020
Service cost	$	9	$	9	$	27	$	27
Interest cost	25		31		75		99
Expected return on plan assets	(76)		(87)		(231)		(257)
Amortization of unrecognized prior service cost	2		1		6		5
Recognized net (gain) loss	83		7		63		64
Net periodic benefit cost	$	43	$	(39)	$	(60)	$	(62)
Curtailment (gain) loss	(1)		—		(1)		(7)
Total pension (income) expense	$	42	$	(39)	$	(61)	$	(69)

Other nonpension postretirement

	Quarter ended				Year-to-date period ended
(millions)	October 2, 2021		September 26, 2020		October 2, 2021		September 26, 2020
Service cost	$	3	$	2	$	9	$	9
Interest cost	5		7		15		23
Expected return on plan assets	(23)		(24)		(69)		(70)
Amortization of unrecognized prior service cost	(2)		(1)		(6)		(6)
Total postretirement benefit (income) expense	$	(17)	$	(16)	$	(51)	$	(44)

Postemployment

	Quarter ended				Year-to-date period ended
(millions)	October 2, 2021		September 26, 2020		October 2, 2021		September 26, 2020
Service cost	$	1	$	1	$	3	$	3
Interest cost	1		1		1		1
Recognized net (gain) loss	—		—		(2)		(2)
Total postemployment benefit expense	$	2	$	2	$	2	$	2

Contributions to Employee Benefit Plans

Company contributions to employee benefit plans are summarized as follows:

(millions)	Pension		Nonpension postretirement		Total
Quarter ended:
October 2, 2021	$	—	$	5	$	5
September 26, 2020	$	1	$	6	$	7
Year-to-date period ended:
October 2, 2021	$	2	$	13	$	15
September 26, 2020	$	4	$	15	$	19
Full year:
Fiscal year 2021 (projected)	$	6	$	19	$	25
Fiscal year 2020 (actual)	$	8	$	24	$	32