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Share-Based Compensation Share-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Millions, $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption		$ 36	$ 2
No material capitalized share-based compensation expense	$ 0	$ 0	$ 0
No material modifications made to our outstanding stock options and stock awards	0	0	0
Liability related to Stock Units based on performance metrics, recorded in accrued expenses and other current liabilities		$ 2
Annual vesting percentage for stock options	25.00%
Aggregate intrinsic value of options outstanding	$ 0
Weighted-average reemaining contractual life of stock options exercisable	3 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85.00%
Stock issued during period, Shares, Employee Stock Purchase Plans	1,381,391	1,008,100	1,113,640
2016 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance	251,586,781
Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of unvested Stock Units	$ 121
Nonvested awards, total compensation cost not yet recognized	$ 102
Nonvested awards, total compensation cost not yet recognized, period for recognition	2 years 1 month 6 days
Stock Units Granted, Shares	5,295,007
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Units Granted, Shares	1,787,189
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, discount from market price, purchase date	15.00%
Common stock, capital shares reserved for future issuance	5,754,699
Employee stock purchase plan | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage deduction from payroll for Employee Stock Purchase	15.00%
Employee stock purchase plan | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage deduction from payroll for Employee Stock Purchase	1.00%
Retained Earnings
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption		$ 36	$ (3)

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