Description of dividends paid, restrictions on dividend payments, statutory capital and surplus amounts, requirements and future requirements.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage.

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Percentage of outstanding debt.

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Related Party Transactions - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions				1 Months Ended		9 Months Ended		12 Months Ended
	Jun. 01, 2016	Jan. 08, 2016	Jan. 04, 2016	Jun. 30, 2016	Feb. 28, 2015	Oct. 01, 2016	Sep. 26, 2015	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Related Party Transaction [Line Items]
Aggregate fees and expenses						$ 36	$ 8	$ 10	$ 10	$ 10
Transaction fees										2
Company purchased from affiliate										$ 12
Termination fee	$ 31
Cash distribution paid		$ 666
Cash distribution paid to Sponsors			$ 657
Line of credit outstanding amount		$ 314
Distribution declared and paid per share		$ 3.94				$ 3.94
Dividends payment description						The Company has no current plans to pay future dividends on its common stock, and has never paid dividends on its common stock, other than the January 2016 one-time cash distribution. Any decision to declare and pay dividends in the future will be made at the sole discretion of our Board of Directors, and could be limited by USF debt covenants.
KKR Capital Markets LLC [Member]
Related Party Transaction [Line Items]
Cost of services rendered in connection with debt refinancing transactions				$ 1
IPO [Member] \| KKR Capital Markets LLC [Member]
Related Party Transaction [Line Items]
Underwriter discounts and commissions				$ 5
Entities Affiliated [Member]
Related Party Transaction [Line Items]
Percentage of Company's outstanding debt managed by affiliate						1.00%
Entities Affiliated [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Percentage of Company's outstanding debt managed by affiliate					5.00%
Entities Affiliated [Member] \| Unsecured Senior Notes [Member]
Related Party Transaction [Line Items]
Senior notes, repurchase amount					$ 2
USF Credit Facility [Member]
Related Party Transaction [Line Items]
Line of credit outstanding amount		$ 314