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
3 Months Ended 12 Months Ended
May 02, 2026
EUR (€)
gal / mo
May 03, 2025
EUR (€)
gal / mo
Jan. 31, 2026
EUR (€)
gal / mo
May 02, 2026
GBP (£)
May 02, 2026
USD ($)
May 02, 2026
AUD ($)
May 02, 2026
CAD ($)
May 02, 2026
PLN (zł)
Jan. 31, 2026
GBP (£)
Jan. 31, 2026
USD ($)
Jan. 31, 2026
AUD ($)
Jan. 31, 2026
CAD ($)
Jan. 31, 2026
PLN (zł)
May 03, 2025
GBP (£)
May 03, 2025
USD ($)
May 03, 2025
AUD ($)
May 03, 2025
CAD ($)
May 03, 2025
PLN (zł)
Derivatives, Fair Value [Line Items]                                    
Current Asset U.S.$         $ 58.3         $ 9.0         $ 14.3      
Current (Liability) U.S.$         (35.1)         (46.1)         (79.5)      
Net Fair Value in U.S.$         23.2         (37.1)         (65.2)      
Economic hedges for which hedge accounting was not elected | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Current Asset U.S.$         50.0         6.2                
Current (Liability) U.S.$         0.0         0.0                
Net Fair Value in U.S.$         $ 50.0         $ 6.2                
Economic hedges for which hedge accounting was not elected | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Current Asset U.S.$                             0.0      
Current (Liability) U.S.$                             (16.1)      
Net Fair Value in U.S.$                             $ (16.1)      
Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8709 0.8549 0.8680 0.8709 0.8709 0.8709 0.8709 0.8709 0.8680 0.8680 0.8680 0.8680 0.8680 0.8549 0.8549 0.8549 0.8549 0.8549
Current Asset U.S.$         $ 1.7         $ 0.2         $ 0.8      
Current (Liability) U.S.$         0.0         0.0         0.0      
Net Fair Value in U.S.$         $ 1.7         $ 0.2         $ 0.8      
Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.6875   0.6621 0.6875 0.6875 0.6875 0.6875 0.6875 0.6621 0.6621 0.6621 0.6621 0.6621          
Current Asset U.S.$         $ 0.0         $ 0.0                
Current (Liability) U.S.$         (4.2)         (4.1)                
Net Fair Value in U.S.$         $ (4.2)         $ (4.1)                
Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.6346                       0.6346 0.6346 0.6346 0.6346 0.6346
Current Asset U.S.$                             $ 0.0      
Current (Liability) U.S.$                             (0.9)      
Net Fair Value in U.S.$                             $ (0.9)      
Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.7070                       0.7070 0.7070 0.7070 0.7070 0.7070
Current Asset U.S.$                             $ 0.0      
Current (Liability) U.S.$                             (18.1)      
Net Fair Value in U.S.$                             $ (18.1)      
Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.7311   0.7241 0.7311 0.7311 0.7311 0.7311 0.7311 0.7241 0.7241 0.7241 0.7241 0.7241          
Current Asset U.S.$         $ 0.5         $ 0.1                
Current (Liability) U.S.$         (7.3)         (10.8)                
Net Fair Value in U.S.$         $ (6.8)         $ (10.7)                
Conversion of Canadian Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.6227 0.6546 0.6176 0.6227 0.6227 0.6227 0.6227 0.6227 0.6176 0.6176 0.6176 0.6176 0.6176 0.6546 0.6546 0.6546 0.6546 0.6546
Current Asset U.S.$         $ 0.1         $ 0.0         $ 0.5      
Current (Liability) U.S.$         (0.3)         (0.1)         (0.0)      
Net Fair Value in U.S.$         $ (0.2)         $ (0.1)         $ 0.5      
Conversion of Pound to US Dollar | Intercompany balances in TJX International | (Accrued Exp)                                    
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 | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate     1.3386           1.3386 1.3386 1.3386 1.3386 1.3386          
Current Asset U.S.$                   $ 0.0                
Current (Liability) U.S.$                   (17.0)                
Net Fair Value in U.S.$                   $ (17.0)                
Conversion of Pound to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 1.3415 1.2778   1.3415 1.3415 1.3415 1.3415 1.3415           1.2778 1.2778 1.2778 1.2778 1.2778
Current Asset U.S.$         $ 1.0                   $ 0.5      
Current (Liability) U.S.$         (9.9)                   (24.9)      
Net Fair Value in U.S.$         $ (8.9)                   $ (24.4)      
Conversion of Zloty to Pound | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.2055 0.1950 0.2062 0.2055 0.2055 0.2055 0.2055 0.2055 0.2062 0.2062 0.2062 0.2062 0.2062 0.1950 0.1950 0.1950 0.1950 0.1950
Current Asset U.S.$         $ 1.4         $ 0.7         $ 0.1      
Current (Liability) U.S.$         (0.2)         (0.3)         (2.4)      
Net Fair Value in U.S.$         $ 1.2         $ 0.4         $ (2.3)      
Conversion of US Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8487 0.9204 0.8495 0.8487 0.8487 0.8487 0.8487 0.8487 0.8495 0.8495 0.8495 0.8495 0.8495 0.9204 0.9204 0.9204 0.9204 0.9204
Current Asset U.S.$         $ 0.5         $ 0.9         $ 5.1      
Current (Liability) U.S.$         (0.7)         (0.1)         (0.2)      
Net Fair Value in U.S.$         (0.2)         0.8         4.9      
Pay | Economic hedges for which hedge accounting was not elected | Prepaid Exp | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 0.8   3.2                              
Pay | Economic hedges for which hedge accounting was not elected | Prepaid Exp | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.9   3.9                              
Pay | Economic hedges for which hedge accounting was not elected | (Accrued Exp) | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo   3.1                                
Pay | Economic hedges for which hedge accounting was not elected | (Accrued Exp) | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo   4.1                                
Pay | Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 161 € 195 € 111                              
Pay | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount           $ 134         $ 122              
Pay | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                               $ 93    
Pay | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                                 $ 926  
Pay | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount             $ 985         $ 856            
Pay | Conversion of Canadian Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount             $ 39         $ 37         $ 31  
Pay | Conversion of Pound to US Dollar | Intercompany balances in TJX International | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                 £ 168                  
Pay | Conversion of Pound to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                 572                  
Pay | Conversion of Pound to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 552                   £ 488        
Pay | Conversion of Zloty to Pound | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | zł               zł 423         zł 402         zł 489
Pay | Conversion of US Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         125.0         87.0         109.0      
Receive | Economic hedges for which hedge accounting was not elected | Prepaid Exp | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 0.8   3.2                              
Receive | Economic hedges for which hedge accounting was not elected | Prepaid Exp | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo 3.9   3.9                              
Receive | Economic hedges for which hedge accounting was not elected | (Accrued Exp) | Minimum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo   3.1                                
Receive | Economic hedges for which hedge accounting was not elected | (Accrued Exp) | Maximum                                    
Derivatives, Fair Value [Line Items]                                    
Derivative nonmonetary notional amount | gal / mo   4.1                                
Receive | Conversion of Euro to Pound | Intercompany billings in TJX International, primarily merchandise | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       140         96         167        
Receive | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         92.0         81.0                
Receive | Conversion of Australian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             59.0      
Receive | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             655.0      
Receive | Conversion of Canadian Dollar to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         720.0         620.0                
Receive | Conversion of Canadian Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 24 € 20 € 23                              
Receive | Conversion of Pound to US Dollar | Intercompany balances in TJX International | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                   226.0                
Receive | Conversion of Pound to US Dollar | Merchandise purchase commitments | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                   $ 766.0                
Receive | Conversion of Pound to US Dollar | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         $ 740.0                   $ 624.0      
Receive | Conversion of Zloty to Pound | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 87         £ 83         £ 95        
Receive | Conversion of US Dollar to Euro | Merchandise purchase commitments | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 106 € 101 € 74                              
Fair value hedges | Conversion of Euro to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.8788   0.8759 0.8788 0.8788 0.8788 0.8788 0.8788 0.8759 0.8759 0.8759 0.8759 0.8759          
Current Asset U.S.$         $ 1.4         $ 0.9                
Current (Liability) U.S.$         0.0         0.0                
Net Fair Value in U.S.$         $ 1.4         $ 0.9                
Fair value hedges | Conversion of Euro to Pound | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.8522                       0.8522 0.8522 0.8522 0.8522 0.8522
Current Asset U.S.$                             $ 0.0      
Current (Liability) U.S.$                             (0.5)      
Net Fair Value in U.S.$                             $ (0.5)      
Fair value hedges | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 0.6648   0.6648 0.6648 0.6648 0.6648 0.6648 0.6648 0.6648 0.6648 0.6648 0.6648 0.6648          
Current Asset U.S.$         $ 0.0         $ 0.0                
Current (Liability) U.S.$         (12.5)         (6.9)                
Net Fair Value in U.S.$         $ (12.5)         $ (6.9)                
Fair value hedges | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.6420                       0.6420 0.6420 0.6420 0.6420 0.6420
Current Asset U.S.$                             $ 1.4      
Current (Liability) U.S.$                             (2.1)      
Net Fair Value in U.S.$                             $ (0.7)      
Fair value hedges | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate 1.1869     1.1869 1.1869 1.1869 1.1869 1.1869                    
Current Asset U.S.$         $ 1.7                          
Current (Liability) U.S.$         0.0                          
Net Fair Value in U.S.$         1.7                          
Fair value hedges | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate     1.1718           1.1718 1.1718 1.1718 1.1718 1.1718          
Current Asset U.S.$                   $ 0.0                
Current (Liability) U.S.$                   (3.2)                
Net Fair Value in U.S.$                   (3.2)                
Fair value hedges | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   1.1005                       1.1005 1.1005 1.1005 1.1005 1.1005
Current Asset U.S.$                             $ 0.1      
Current (Liability) U.S.$                             (9.0)      
Net Fair Value in U.S.$                             $ (8.9)      
Fair value hedges | Conversion of Pound to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   1.2222                       1.2222 1.2222 1.2222 1.2222 1.2222
Current Asset U.S.$                             $ 0.0      
Current (Liability) U.S.$                             (5.3)      
Net Fair Value in U.S.$                             $ (5.3)      
Fair value hedges | Conversion of US Dollar to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Blended Contract Rate   0.8177                       0.8177 0.8177 0.8177 0.8177 0.8177
Current Asset U.S.$                             $ 5.8      
Current (Liability) U.S.$                             0.0      
Net Fair Value in U.S.$                             5.8      
Fair value hedges | Pay | Conversion of Euro to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 83   € 83                              
Fair value hedges | Pay | Conversion of Euro to Pound | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | €   € 80                                
Fair value hedges | Pay | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount           $ 240         $ 240              
Fair value hedges | Pay | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                               $ 210    
Fair value hedges | Pay | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | € € 200                                  
Fair value hedges | Pay | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | €     € 200                              
Fair value hedges | Pay | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | €   € 200                                
Fair value hedges | Pay | Conversion of Pound to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           £ 50        
Fair value hedges | Pay | Conversion of US Dollar to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             67.0      
Fair value hedges | Receive | Conversion of Euro to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £       £ 73         £ 73                  
Fair value hedges | Receive | Conversion of Euro to Pound | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           68        
Fair value hedges | Receive | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         160.0         160.0                
Fair value hedges | Receive | Conversion of Australian Dollar to US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             135.0      
Fair value hedges | Receive | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount         $ 237.0                          
Fair value hedges | Receive | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                   $ 234.0                
Fair value hedges | Receive | Conversion Of Euro To US Dollar | Intercompany balances, primarily debt | Prepaid Exp / (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             220.0      
Fair value hedges | Receive | Conversion of Pound to US Dollar | Intercompany balances, primarily debt | (Accrued Exp)                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount                             $ 61.0      
Fair value hedges | Receive | Conversion of US Dollar to Pound | Intercompany balances, primarily debt | Prepaid Exp                                    
Derivatives, Fair Value [Line Items]                                    
Derivative notional amount | £                           £ 55