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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. 03, 2024
Jul. 29, 2023
Aug. 03, 2024
Jul. 29, 2023
Funded Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 9 $ 9 $ 16 $ 17
Interest cost 18 18 36 36
Expected return on plan assets (20) (20) (39) (40)
Amortization of net actuarial loss and prior service cost/(credit) (1) 0 (1) 0
Total expense 6 7 12 13
Unfunded Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 1 1
Interest cost 2 2 3 3
Expected return on plan assets 0 0 0 0
Amortization of net actuarial loss and prior service cost/(credit) 1 1 1 1
Total expense $ 3 $ 3 $ 5 $ 5