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Stock-Based Compensation - Schedule of Shared-Based Compensation Cost Related to Stock Options (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 29, 2021
Jan. 31, 2020
Feb. 01, 2019
Share-based Payment Arrangement [Abstract]      
Cash received from exercises of stock options $ 0 $ 0 $ 0
Stock exchanged at fair value upon exercises of stock options 1 2 1
Tax benefits from exercises of stock options 2 3 7
Total intrinsic value of options exercised $ 8 $ 16 $ 24