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Pension Plans and Other Retirement Benefits - Financial Information Related to Funded Defined Benefit Pension Plan and Unfunded Supplemental Pension Plan (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 02, 2025
Aug. 03, 2024
Aug. 02, 2025
Aug. 03, 2024
Funded Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 8 $ 9 $ 15 $ 16
Interest cost 19 18 38 36
Expected return on plan assets (22) (20) (44) (39)
Amortization of net actuarial loss and prior service credit (1) (1) (1) (1)
Total expense 4 6 8 12
Unfunded Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1 0 1 1
Interest cost 1 2 3 3
Expected return on plan assets 0 0 0 0
Amortization of net actuarial loss and prior service credit 0 1 0 1
Total expense $ 2 $ 3 $ 4 $ 5