v3.26.1
Retirement Plans - Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 01, 2026
Aug. 02, 2025
Aug. 01, 2026
Aug. 02, 2025
Defined Benefit Plan Disclosure [Line Items]        
Total Retirement Expense $ 16 $ 18 $ 36 $ 38
Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 1 1 1 2
Recognition of net actuarial loss (2) (1) (3) (3)
Amortization of prior service credit 0 (1) 0 (1)
Total net periodic benefit cost (1) (1) (2) (2)
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 14 17 28 34
Expected return on assets (27) (27) (54) (55)
Recognition of net actuarial loss 2 1 3 2
Total net periodic benefit cost (11) (9) (23) (19)
Supplementary Retirement Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 5 5 10 10
Recognition of net actuarial loss 1 1 3 3
Total net periodic benefit cost 6 6 13 13
Defined Contribution Qualified Plan | Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
401(k) Qualified Defined Contribution Plan $ 21 $ 21 $ 46 $ 44