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Summary of Significant Accounting Policies - Additional Information (Detail) | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
May 31, 2021 Location | Sep. 25, 2021 USD ($) Store Segment | Dec. 26, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of retail stores | Store |  | 1,084 |
Number of reportable segments | Segment |  | 2 |
Accounts payable and accrued expenses and other current liabilities not yet presented for payment |  | $ 24,000,000 | $ 20,000,000
Current liabilities held for sale not yet presented for payment |  | 2,000,000 | 3,000,000
Cash and cash equivalents |  | $ 753,000,000 | 729,000,000
Accounting Standards Update 2017-07 |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Change in accounting principle, accounting standards update, adopted |  | true |
Change in accounting principle, accounting standards update, adoption date |  | Dec. 27, 2020 |
Change in accounting principle, accounting standards update, immaterial effect |  | true |
Accounting Standards Update 2015-17 |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Change in accounting principle, accounting standards update, adopted |  | true |
Change in accounting principle, accounting standards update, adoption date |  | Dec. 27, 2020 |
Change in accounting principle, accounting standards update, immaterial effect |  | true |
Prepaid Expenses and Other Current Assets |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Restricted cash |  | $ 0 | 0
Non-US |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Cash and cash equivalents |  | $ 161,000,000 | $ 159,000,000
Spin Off Transaction |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of retail locations | Location | 1,100 |  |
Shareholders equity ownership percentage | 100.00% |  |

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