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Debt - Restrictive Covenants (Detail) $ in Billions	Sep. 28, 2019 USD ($)
Debt Disclosure [Abstract]
Restricted payment capacity	$ 1.2
Restricted assets	$ 2.4

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- References

No definition available.

+ Details

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

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- Definition

Debt covenants restricted payment capacity.

+ References

No definition available.

+ Details

Name:	usfd_DebtCovenantsRestrictedPaymentCapacity
Namespace Prefix:	usfd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Restricted assets.

+ References

No definition available.

+ Details

Name:	usfd_RestrictedAssets
Namespace Prefix:	usfd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant