Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions		6 Months Ended
	May 11, 2020	Jun. 27, 2020 USD ($) Store Segment	Dec. 28, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of retail stores | Store		1,260
Number of reportable segments | Segment		3
Reverse stock split	1-for-10
Reverse stock split ratio	0.1
Accounts payable and accrued expenses and other current liabilities not yet presented for payment		$ 16	$ 25
Cash and cash equivalents		762	698
Adjustment for adoption of accounting standard		(484)	(89)
Accounting Standards Update 2016-13
Summary Of Significant Accounting Policies [Line Items]
Adjustment for adoption of accounting standard		$ 1
Change in accounting principle, accounting standards update, adopted		true
Change in accounting principle, accounting standards update, immaterial effect		true
Accounting Standards Update 2018-15
Summary Of Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted		true
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		$ 2	2
Non-US
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents		$ 139	$ 190