Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Components of Net Periodic Pension and Other Postretirement Benefit Costs

The components of net periodic pension benefit costs (credits) for the Retirement Plan the last three fiscal years were as follows:

	2022		2021		2020
Components of net periodic pension benefit (credits) costs:
Service cost	$	3	$	3	$	3
Interest cost	30		29		32
Expected return on plan assets	(52)		(54)		(55)
Amortization of net loss	—		—		1
Net periodic pension benefit (credits) costs	$	(19)	$	(22)	$	(19)

Changes in Plan Assets and Benefit Obligations

Changes in plan assets and benefit obligations recorded in accumulated other comprehensive loss for pension benefits for the last three fiscal years were as follows:

	2022		2021		2020
Changes recognized in accumulated other comprehensive loss:
Actuarial (loss) gain	$	(73)	$	14	$	29
Amortization of net loss	—		—		1
Net amount recognized	$	(73)	$	14	$	30

Funded Status of the Defined Benefit Plans

The funded status of the Retirement Plan for the last three fiscal years was as follows:

	Pension Benefits
	2022		2021		2020
Change in benefit obligation:
Benefit obligation as of beginning of year	$	1,016	$	1,061	$	903
Service cost	3		3		3
Interest cost	30		29		32
Actuarial (gain) loss	(274)		(30)		98
Benefit disbursements	(55)		(47)		(45)
Smart Foodservice assumed benefit obligations	—		—		70
Projected benefit obligation as of end of year	720		1,016		1,061
Change in plan assets:
Fair value of plan assets as of beginning of year	1,103		1,112		923
(Loss) return on plan assets	(295)		38		183
Benefit disbursements	(55)		(47)		(45)
Smart Foodservice acquired plan assets	—		—		51
Fair value of plan assets as of end of year	753		1,103		1,112
Net funded status	$	33	$	87	$	51

Schedule of Net Funded Status

	Other Postretirement Plans
	2022		2021		2020
Change in benefit obligation:
Benefit obligation as of beginning of year	$	6	$	6	$	6
Benefit disbursements	(1)		(1)		(1)
Other	—		1		1
Benefit obligation as of end of year	5		6		6
Change in plan assets:
Fair value of plan assets as of beginning of year	—		—		—
Employer contribution	1		1		1
Benefit disbursements	(1)		(1)		(1)
Fair value of plan assets as of end of year	—		—		—
Net funded status	$	(5)	$	(6)	$	(6)

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year

The amounts recognized on the Company’s Consolidated Balance Sheets related to the company-sponsored defined benefit plans and other postretirement benefit plans consisted of the following:

	Pension Benefits
	2022		2021		2020
Amounts recognized in the consolidated    balance sheets consist of the following:
Prepaid benefit obligation—noncurrent	$	34	$	89	$	53
Accrued benefit obligation—noncurrent	(1)		(1)		(2)
Net amount recognized in the consolidated    balance sheets	$	33	$	88	$	51
Amounts recognized in accumulated other    comprehensive loss consist of the following:
Net loss	$	159	$	85	$	98
Net loss recognized in accumulated other    comprehensive loss	$	159	$	85	$	98
Additional information:
Accumulated benefit obligation	$	717	$	1,012	$	1,057

	Other Postretirement Plans
	2022		2021		2020
Amounts recognized in the consolidated    balance sheets consist of the following:
Accrued benefit obligation—current	$	(1)	$	(1)	$	—
Accrued benefit obligation—noncurrent	(4)		(5)		(6)
Net amount recognized in the consolidated    balance sheets	$	(5)	$	(6)	$	(6)
Amounts recognized in accumulated other    comprehensive loss consist of the following:
Gain, net of prior service cost	$	1	$	1	$	—
Net gain recognized in accumulated other    comprehensive loss	$	1	$	1	$	—
Additional information:
Accumulated postretirement benefit obligation	$	5	$	6	$	6

Assumptions to Determine Benefit Obligations at Period-end and Net Pension Costs

Weighted average assumptions used to determine benefit obligations as of period-end and net pension costs for the last three fiscal years were as follows:

	Pension Benefits
	2022		2021		2020
Benefit obligation:
Discount rate	5.50	%	3.00	%	2.80	%
Annual compensation increase	2.96	%	2.96	%	2.96	%
Net cost:
Discount rate	3.00	%	2.80	%	3.50	%
Expected return on plan assets	4.75	%	5.00	%	6.00	%
Annual compensation increase	2.96	%	2.96	%	3.60	%

	Other Postretirement Plans
	2022		2021		2020
Benefit obligation—discount rate	5.50	%	3.00	%	2.80	%
Net cost—discount rate	3.00	%	2.80	%	3.50	%

Assumed Health Care Trend Rates

The assumed healthcare trend rates for the last three fiscal years were as follows:

	2022		2021		2020
Immediate rate	6.50	%	5.50	%	5.60	%
Ultimate trend rate	4.50	%	4.50	%	4.50	%
Year the rate reaches the ultimate trend rate	2037		2037		2037

Fair Value of Defined Benefit Plans' Assets by Asset Fair Value Hierarchy Level

The following table sets forth the fair value of our defined benefit plans’ assets by asset fair value hierarchy level:

	Asset Fair Value as of December 31, 2022
	Level 1		Level 2		Level 3		Total
Equities:
Domestic	$	32	$	—	$	—	$	32
International	2		—		—		2
Mutual fund:
International equities	22		—		—		22
Long-term debt securities:
Corporate debt securities:
Domestic	—		216		—		216
International	—		27		—		27
U.S. government securities			7		—		7
Other			3				3
	$	56	$	253	$	—	309
Common collective trust funds:
Cash equivalents							24
Domestic equities							147
International equities							41
Treasury STRIPS							164
U.S. government securities							68
Total investments measured at net asset value as a practical expedient							444
Total defined benefit plans’ assets							$	753

	Asset Fair Value as of January 1, 2022
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	2	$	—	$	—	$	2
Equities:
Domestic	44		—		—		44
International	2		—		—		2
Mutual fund:
International equities	26		—		—		26
Long-term debt securities:
Corporate debt securities:
Domestic	—		286		—		286
International	—		45		—		45
U.S. government securities	—		7		—		7
	$	74	$	338	$	—	412
Common collective trust funds:
Cash equivalents							24
Domestic equities							219
International equities							49
Treasury STRIPS							303
U.S. government securities							96
Total investments measured at net asset value as a practical expedient							691
Total defined benefit plans’ assets							$	1,103

Estimated Future Benefit Payments

Estimated future benefit payments, under Company sponsored plans as of December 31, 2022, were as follows:

	Pension Benefits		Other Postretirement Plans
2023	$	50	$	1
2024	47		1
2025	49		1
2026	50		—
2027	51		—
Subsequent five years	241		2

Contributions to Multiemployer Pension Plans

Pension Fund	EIN/ Plan Number	PPA Zone Status		FIP/RP Status Pending/ Implemented	Surcharge Imposed	Expiration Dates
		2022	2021
Minneapolis Food Distributing    Industry Pension Plan	41-6047047/001	Green	Green	N/A	No	04/05/2025
Teamster Pension Trust Fund of    Philadelphia and Vicinity	23-1511735/001	Green	Yellow	Implemented	No	02/13/2026
Local 703 I.B. of T. Grocery and Food Employees’ Pension Plan	36-6491473/001	Green	Green	N/A	No	06/30/2026
United Teamsters Trust Fund A	13-5660513/001	Yellow	Yellow	Implemented	No	05/01/2027
Warehouse Employees Local    169 and Employers Joint    Pension Fund	23-6230368/001	Red	Red	Implemented	No	02/13/2026
UFCW National Pension Fund	51-6055922 / 001	Green	Green	N/A	No	04/03/2024

The following table provides information about the Company’s contributions to its multiemployer pension plans. For plans that are not individually significant to the Company, the total amount of the Company’s contributions is aggregated.

	Contributions(1)(2)						Contributions That Exceed 5% of Total Plan Contributions(3)
	2022		2021		2020		2021	2020
Pension Fund
Minneapolis Food Distributing Industry Pension Plan	$	6	$	5	$	5	Yes	Yes
Teamster Pension Trust Fund of Philadelphia and Vicinity	5		4		4		No	No
Local 703 I.B. of T. Grocery and Food Employees’ Pension Plan	3		4		2		Yes	Yes
United Teamsters Trust Fund A	1		1		1		Yes	Yes
Warehouse Employees Local 169 and Employers Joint Pension Fund	1		1		1		Yes	Yes
UFCW National Pension Fund	—		1		1		No	No
Other funds	31		27		30		—	—
	$	47	$	43	$	44

(1)Contributions made to these plans during the Company’s fiscal year, which may not coincide with the plans’ respective fiscal years.

(2)    Contributions do not include payments related to multiemployer pension plan withdrawals/settlements.

(3)    Indicates whether the Company was listed in the respective multiemployer pension plan Form 5500 for the applicable plan year as having made more than 5% of total contributions to the plan.