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Income Taxes - Schedule of Changes in Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 29, 2021
Jan. 31, 2020
Feb. 01, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized tax benefits at beginning of the year $ 51 $ 13 $ 7
Additions for acquired unrecognized tax benefits 0 0 3
Additions for tax positions related to prior years 8 32 1
Additions for tax positions related to the current year 9 8 2
Reductions for prior year tax positions related to statute expiration (2) (2) 0
Unrecognized tax benefits at end of the year 66 51 13
Unrecognized tax benefits that, if recognized, would affect the effective income tax rate $ 66 $ 48 $ 9