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Pension Plans and Other Retirement Benefits - Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
Net periodic pension cost: |  |  |
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 | $ 48 | $ 49 | $ 50
Interest cost | 58 | 52 | 50
Expected return on plan assets | (89) | (95) | (88)
Amortization of prior service cost | 0 | 0 | 0
Amortization of net actuarial loss | 18 | 14 | 23
Total expense | 35 | 20 | 35
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Net (gain) loss | (153) | 66 | (49)
Amortization of net (loss) | (18) | (14) | (23)
Amortization of prior service cost | 0 | 0 | 0
Total (gain) loss recognized in other comprehensive income | (171) | 52 | (72)
Total recognized in net periodic benefit cost and other comprehensive income (loss) | $ (136) | $ 72 | $ (37)
Discount rate | 3.40% | 3.20% | 3.30%
Expected rate of return on plan assets | 5.25% | 5.75% | 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 | 4 | 3 | 3
Expected return on plan assets | 0 | 0 | 0
Amortization of prior service cost | 0 | 0 | 0
Amortization of net actuarial loss | 4 | 4 | 4
Total expense | 10 | 9 | 9
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Net (gain) loss | (9) | 0 | 8
Amortization of net (loss) | (4) | (4) | (4)
Amortization of prior service cost | 0 | 0 | 0
Total (gain) loss recognized in other comprehensive income | (13) | (4) | 4
Total recognized in net periodic benefit cost and other comprehensive income (loss) | $ (3) | $ 5 | $ 13
Discount rate | 3.30% | 2.80% | 3.10%
Rate of compensation increase | 4.00% | 4.00% | 4.00%

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