v3.26.1
Financial Instruments - Summary of Derivative Financial Instruments, Related Fair Value and Balance Sheet Classification (Details)
€ in Millions, £ in Millions, zł in Millions, gal / mo in Millions, $ in Millions, $ in Millions, $ in Millions
6 Months Ended 12 Months Ended
Aug. 01, 2026
EUR (€)
gal / mo
Aug. 02, 2025
EUR (€)
gal / mo
Jan. 31, 2026
EUR (€)
gal / mo
Aug. 01, 2026
GBP (£)
Aug. 01, 2026
USD ($)
Aug. 01, 2026
AUD ($)
Aug. 01, 2026
CAD ($)
Aug. 01, 2026
PLN (zł)
Jan. 31, 2026
GBP (£)
Jan. 31, 2026
USD ($)
Jan. 31, 2026
AUD ($)
Jan. 31, 2026
CAD ($)
Jan. 31, 2026
PLN (zł)
Aug. 02, 2025
GBP (£)
Aug. 02, 2025
USD ($)
Aug. 02, 2025
AUD ($)
Aug. 02, 2025
CAD ($)
Aug. 02, 2025
PLN (zł)
Derivatives, Fair Value [Line Items]                                    
Current Asset U.S.$         $ 68.0         $ 9.0         $ 14.2      
Current (Liability) U.S.$         (12.0)         (46.1)         (39.1)      
Net Fair Value in U.S.$         56.0         (37.1)         (24.9)      
Economic hedges for which hedge accounting was not elected                                    
Derivatives, Fair Value [Line Items]                                    
Current Asset U.S.$         47.8         6.2         0.0      
Current (Liability) U.S.$         0.0         0.0         (0.4)      
Net Fair Value in U.S.$         $ 47.8         $ 6.2         $ (0.4)      
Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8552 0.8680 0.8680 0.8552 0.8552 0.8552 0.8552 0.8552 0.8680 0.8680 0.8680 0.8680 0.8680 0.8680 0.8680 0.8680 0.8680 0.8680
Current Asset U.S.$         $ 0.0         $ 0.2         $ 0.0      
Current (Liability) U.S.$         (0.0)         0.0         (1.1)      
Net Fair Value in U.S.$         $ 0.0         $ 0.2         $ (1.1)      
Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.7019 0.6472 0.6621 0.7019 0.7019 0.7019 0.7019 0.7019 0.6621 0.6621 0.6621 0.6621 0.6621 0.6472 0.6472 0.6472 0.6472 0.6472
Current Asset U.S.$         $ 0.5         $ 0.0         $ 0.3      
Current (Liability) U.S.$         (0.4)         (4.1)         (0.4)      
Net Fair Value in U.S.$         $ 0.1         $ (4.1)         $ (0.1)      
Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.7242 0.7244 0.7241 0.7242 0.7242 0.7242 0.7242 0.7242 0.7241 0.7241 0.7241 0.7241 0.7241 0.7244 0.7244 0.7244 0.7244 0.7244
Current Asset U.S.$         $ 12.2         $ 0.1         $ 3.3      
Current (Liability) U.S.$         (2.5)         (10.8)         (6.5)      
Net Fair Value in U.S.$         $ 9.7         $ (10.7)         $ (3.2)      
Conversion of Canadian Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.6204 0.6330 0.6176 0.6204 0.6204 0.6204 0.6204 0.6204 0.6176 0.6176 0.6176 0.6176 0.6176 0.6330 0.6330 0.6330 0.6330 0.6330
Current Asset U.S.$         $ 0.1         $ 0.0         $ 0.4      
Current (Liability) U.S.$         (0.0)         (0.1)         0.0      
Net Fair Value in U.S.$         $ 0.1         $ (0.1)         $ 0.4      
Conversion of Pound to US Dollar | Intercompany balances in TJX International                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate     1.3472           1.3472 1.3472 1.3472 1.3472 1.3472          
Current Asset U.S.$                   $ 0.0                
Current (Liability) U.S.$                   (3.6)                
Net Fair Value in U.S.$                   $ (3.6)                
Conversion of Pound to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 1.3420 1.3165 1.3386 1.3420 1.3420 1.3420 1.3420 1.3420 1.3386 1.3386 1.3386 1.3386 1.3386 1.3165 1.3165 1.3165 1.3165 1.3165
Current Asset U.S.$         $ 1.5         $ 0.0         $ 5.2      
Current (Liability) U.S.$         (5.3)         (17.0)         (12.1)      
Net Fair Value in U.S.$         $ (3.8)         $ (17.0)         $ (6.9)      
Conversion of Zloty to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.2021 0.1994 0.2062 0.2021 0.2021 0.2021 0.2021 0.2021 0.2062 0.2062 0.2062 0.2062 0.2062 0.1994 0.1994 0.1994 0.1994 0.1994
Current Asset U.S.$         $ 2.6         $ 0.7         $ 0.0      
Current (Liability) U.S.$         (0.2)         (0.3)         (3.0)      
Net Fair Value in U.S.$         $ 2.4         $ 0.4         $ (3.0)      
Conversion of US Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8590   0.8495 0.8590 0.8590 0.8590 0.8590 0.8590 0.8495 0.8495 0.8495 0.8495 0.8495          
Current Asset U.S.$         $ 0.5         $ 0.9                
Current (Liability) U.S.$         (1.5)         (0.1)                
Net Fair Value in U.S.$         (1.0)         0.8                
Conversion of US Dollar to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.8841                       0.8841 0.8841 0.8841 0.8841 0.8841
Current Asset U.S.$                             $ 3.1      
Current (Liability) U.S.$                             (0.2)      
Net Fair Value in U.S.$                             2.9      
Pay | Economic hedges for which hedge accounting was not elected | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.3 3.2 3.2                              
Pay | Economic hedges for which hedge accounting was not elected | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.9 4.1 3.9                              
Pay | Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 164 € 159 € 111                              
Pay | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount           $ 124         $ 122         $ 123    
Pay | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount             $ 1,084         $ 856         $ 987  
Pay | Conversion of Canadian Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount             $ 47         $ 37         $ 43  
Pay | Conversion of Pound to US Dollar | Intercompany balances in TJX International                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                 £ 168                  
Pay | Conversion of Pound to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 601         572         £ 557        
Pay | Conversion of Zloty to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | zł               zł 477         zł 402         zł 503
Pay | Conversion of US Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         145.0         87.0                
Pay | Conversion of US Dollar to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             102.0      
Receive | Economic hedges for which hedge accounting was not elected | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.3 3.2 3.2                              
Receive | Economic hedges for which hedge accounting was not elected | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.9 4.1 3.9                              
Receive | Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       140         96         138        
Receive | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         87.0         81.0         80.0      
Receive | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         785.0         620.0         715.0      
Receive | Conversion of Canadian Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 29 € 27 € 23                              
Receive | Conversion of Pound to US Dollar | Intercompany balances in TJX International                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                   226.0                
Receive | Conversion of Pound to US Dollar | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         $ 807.0         $ 766.0         $ 733.0      
Receive | Conversion of Zloty to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 96         £ 83         100        
Receive | Conversion of US Dollar to Euro | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 125   € 74                              
Receive | Conversion of US Dollar to Pound | Merchandise purchase commitments                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           £ 90        
Fair value hedges | Conversion of Euro to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8552 0.8684 0.8759 0.8552 0.8552 0.8552 0.8552 0.8552 0.8759 0.8759 0.8759 0.8759 0.8759 0.8684 0.8684 0.8684 0.8684 0.8684
Current Asset U.S.$         $ 0.0         $ 0.9         $ 0.0      
Current (Liability) U.S.$         (0.6)         0.0         (1.4)      
Net Fair Value in U.S.$         $ (0.6)         $ 0.9         $ (1.4)      
Fair value hedges | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.6930 0.6393 0.6648 0.6930 0.6930 0.6930 0.6930 0.6930 0.6648 0.6648 0.6648 0.6648 0.6648 0.6393 0.6393 0.6393 0.6393 0.6393
Current Asset U.S.$         $ 0.0         $ 0.0         $ 0.4      
Current (Liability) U.S.$         (0.3)         (6.9)         (2.6)      
Net Fair Value in U.S.$         $ (0.3)         $ (6.9)         $ (2.2)      
Fair value hedges | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 1.1674 1.1221 1.1718 1.1674 1.1674 1.1674 1.1674 1.1674 1.1718 1.1718 1.1718 1.1718 1.1718 1.1221 1.1221 1.1221 1.1221 1.1221
Current Asset U.S.$         $ 2.8         $ 0.0         $ 0.5      
Current (Liability) U.S.$         (1.2)         (3.2)         (10.3)      
Net Fair Value in U.S.$         1.6         (3.2)         $ (9.8)      
Fair value hedges | Conversion of Pound to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   1.3490                       1.3490 1.3490 1.3490 1.3490 1.3490
Current Asset U.S.$                             $ 1.0      
Current (Liability) U.S.$                             0.0      
Net Fair Value in U.S.$                             $ 1.0      
Fair value hedges | Conversion of US Dollar to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.7409                       0.7409 0.7409 0.7409 0.7409 0.7409
Current Asset U.S.$                             $ 0.0      
Current (Liability) U.S.$                             (1.1)      
Net Fair Value in U.S.$                             (1.1)      
Fair value hedges | Pay | Conversion of Euro to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 88 € 83 € 83                              
Fair value hedges | Pay | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount           $ 45         $ 240         $ 210    
Fair value hedges | Pay | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 200 € 200 € 200                              
Fair value hedges | Pay | Conversion of Pound to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           £ 50        
Fair value hedges | Pay | Conversion of US Dollar to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             74.0      
Fair value hedges | Receive | Conversion of Euro to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 76         £ 73         72        
Fair value hedges | Receive | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         31.0         160.0         134.0      
Fair value hedges | Receive | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         $ 233.0         $ 234.0         224.0      
Fair value hedges | Receive | Conversion of Pound to US Dollar | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             $ 67.0      
Fair value hedges | Receive | Conversion of US Dollar to Pound | Intercompany balances, primarily debt                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           £ 55