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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
May 03, 2025
May 04, 2024
Funded Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 7 $ 7
Interest cost 19 18
Expected return on plan assets (22) (19)
Amortization of net actuarial loss and prior service cost/(credit) 0 0
Total expense 4 6
Unfunded Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0 1
Interest cost 2 1
Expected return on plan assets 0 0
Amortization of net actuarial loss and prior service cost/(credit) 0 0
Total expense $ 2 $ 2