Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Facility, Repricing Premium, Percent

+ References

No definition available.

+ Details

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Namespace Prefix:	usfd_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=usfd_TermLoanFacilityBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=usfd_SeniorSecuredTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=usfd_AlternativeBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_InterestRateFloorMember
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- Details

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Debt Term Loan Facility (Details) $ in Millions	12 Months Ended
Debt Term Loan Facility (Details) $ in Millions	Jan. 01, 2022 USD ($)	Nov. 22, 2021 USD ($)	Jan. 02, 2021 USD ($)
Debt Instrument [Line Items]
Borrowings under facility	$ 5,011		$ 5,748
2019 Term Loan Facility \| Senior secured term loan facility
Debt Instrument [Line Items]
Borrowings under facility	1,442		1,451
Unamortized deferred financing costs	$ 25		30
2019 Term Loan Facility \| LIBOR \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	2.00%
2019 Term Loan Facility \| Alternative base rate \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	1.00%
2019 Term Loan Facility \| Interest Rate Floor \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	0.00%
2021 Term Loan Facility \| Senior secured term loan facility
Debt Instrument [Line Items]
Borrowings under facility	$ 893		0
Unamortized deferred financing costs	$ 7		$ 0
Debt Instrument original amount		$ 900
Debt Facility, Repricing Premium, Percent	0.0100
2021 Term Loan Facility \| LIBOR \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	2.75%
2021 Term Loan Facility \| Alternative base rate \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	1.75%
2021 Term Loan Facility \| Interest Rate Floor \| Senior secured term loan facility
Debt Instrument [Line Items]
Basis spread on variable interest rate	0.00%