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Debt (Tables) | 3 Months Ended
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Apr. 30, 2022
Debt Disclosure [Abstract] |
Components of Long-term Debt | Long-term debt, which includes draws on the revolving credit facility, consists of the following unsecured debt:
|  |  | Outstanding
Maturity (Dollars in Millions) | Effective Rate | Coupon Rate | April 30, 2022 | January 29, 2022 | May 1, 2021
2023 | 3.25% | 3.25% | $164 | $164 | $164
2023 | 4.78% | 4.75% | 111 | 111 | 111
2025 | 9.50% | 9.50% | 113 | 113 | 113
2025 | 4.25% | 4.25% | 353 | 353 | 353
2029 | 7.36% | 7.25% | 42 | 42 | 42
2031 | 3.40% | 3.38% | 500 | 500 | 500
2033 | 6.05% | 6.00% | 112 | 112 | 112
2037 | 6.89% | 6.88% | 101 | 101 | 101
2045 | 5.57% | 5.55% | 427 | 427 | 427
Outstanding unsecured senior debt |  |  | 1,923 | 1,923 | 1,923
Unamortized debt discounts and deferred financing costs |  |  | (13) | (13) | (14)
Current portion of unsecured senior debt |  |  | (164) | — | —
Long-term unsecured senior debt |  |  | $1,746 | $1,910 | $1,909
Effective interest rate |  |  | 4.89% | 4.89% | 4.89%

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