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Share-Based Compensation Share-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Millions, $ in Millions
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cumulative Effect of New Accounting Principle in Period of Adoption $ (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 $ 12 $ 1  
Annual vesting percentage for stock options 25.00%    
Aggregate intrinsic value of options outstanding $ 47    
Aggregate intrinsic value of options vested or expected to vest 47    
Aggregate intrinsic value of options exercisable $ 8    
Weighted-average reemaining contractual life of stock options exercisable 6 years 92 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 1,113,640 1,260,361 949,751
2016 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized for issuance 216,586,781    
Stock Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate intrinsic value of unvested Stock Units $ 201    
Nonvested awards, total compensation cost not yet recognized $ 100    
Nonvested awards, total compensation cost not yet recognized, period for recognition 2 years 112 days    
Stock Units Granted, Shares 4,028,594    
Stock Units [Member] | Maximum [Member] | 2016 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Stock Units [Member] | Minimum [Member] | 2016 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
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 334,765    
Performance Shares [Member] | Maximum [Member] | 2016 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Performance Shares [Member] | Minimum [Member] | 2016 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 2 years    
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 8,144,190    
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 $ 3