Employee Benefits (Tables)

6 Months Ended

Jul. 01, 2023

Retirement Benefits [Abstract]

Components of Plan Benefit Expense

Pension

	Quarter ended				Year-to-date period ended
(millions)	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Service cost	$	6	$	8	$	12	$	17
Interest cost	44		28		88		57
Expected return on plan assets	(54)		(72)		(107)		(143)
Amortization of unrecognized prior service cost	3		3		5		5
Recognized net gain	—		(10)		—		(31)
Total pension income	$	(1)	$	(43)	$	(2)	$	(95)

Other nonpension postretirement

	Quarter ended				Year-to-date period ended
(millions)	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Service cost	$	1	$	3	$	3	$	6
Interest cost	10		6		20		12
Expected return on plan assets	(24)		(27)		(48)		(55)
Amortization of unrecognized prior service cost	(3)		(3)		(5)		(5)
Total postretirement benefit income	$	(16)	$	(21)	$	(30)	$	(42)

Postemployment

	Quarter ended				Year-to-date period ended
(millions)	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Service cost	$	—	$	1	$	1	$	2
Interest cost	1		—		1		—
Recognized net experience gain	—		(1)		(1)		(2)
Total postemployment expense	$	1	$	—	$	1	$	—

Contributions to Employee Benefit Plans

Company contributions to employee benefit plans are summarized as follows:

(millions)	Pension		Nonpension postretirement		Total
Quarter ended:
July 1, 2023	$	—	$	6	$	6
July 2, 2022	$	—	$	5	$	5
Year-to-date period ended:
July 1, 2023	$	—	$	11	$	11
July 2, 2022	$	1	$	11	$	12
Full year:
Fiscal year 2023 (projected)	$	5	$	21	$	26
Fiscal year 2022 (actual)	$	3	$	20	$	23