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Pension Plans and Other Retirement Benefits - Summary of Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
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Feb. 03, 2024 | Jan. 28, 2023 | Jan. 29, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Net Periodic Benefit Cost Credit Expected Return Loss Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag | true |  |
Defined Benefit Plan Net Periodic Benefit Cost Credit Amortization Of Gain Loss Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag | true |  |
Funded Plan |  |  |
Net periodic pension cost: |  |  |
Service cost | $ 33 | $ 48 | $ 49
Interest cost | 72 | 58 | 52
Expected return on plan assets | (80) | (89) | (95)
Amortization of prior service cost | 0 | 0 | 0
Amortization of net actuarial loss | 0 | 18 | 14
Total expense | 25 | 35 | 20
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Net (gain) loss | (48) | (153) | 66
Prior service cost (credit) | (11) | 0 | 0
Amortization of net (loss) | 0 | (18) | (14)
Amortization of prior service cost | 0 | 0 | 0
Total (gain) loss recognized in other comprehensive income | (59) | (171) | 52
Total recognized in net periodic benefit cost and other comprehensive income (loss) | $ (34) | $ (136) | $ 72
Discount rate | 5.40% | 3.40% | 3.20%
Expected rate of return on plan assets | 5.50% | 5.25% | 5.75%
Rate of compensation increase | 4.00% | 4.00% | 4.00%
Unfunded Plan |  |  |
Net periodic pension cost: |  |  |
Service cost | $ 2 | $ 2 | $ 2
Interest cost | 6 | 4 | 3
Expected return on plan assets | 0 | 0 | 0
Amortization of prior service cost | 0 | 0 | 0
Amortization of net actuarial loss | 2 | 4 | 4
Total expense | 10 | 10 | 9
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Net (gain) loss | 0 | (9) | 0
Prior service cost (credit) | 0 | 0 | 0
Amortization of net (loss) | (2) | (4) | (4)
Amortization of prior service cost | 0 | 0 | 0
Total (gain) loss recognized in other comprehensive income | (2) | (13) | (4)
Total recognized in net periodic benefit cost and other comprehensive income (loss) | $ 8 | $ (3) | $ 5
Discount rate | 5.60% | 3.30% | 2.80%
Rate of compensation increase | 4.00% | 4.00% | 4.00%

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