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Financing Activities (Detail Of Debt Repayments) (Details) - USD ($) $ in Millions | 6 Months Ended
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Jul. 31, 2021 | Aug. 01, 2020
Repayments of Debt | $ 517 | $ 1,503
Revolving Credit Agreement [Member] |  |
Repayments of Debt | 0 | 1,500
9.5% Amortizing Debentures Due 2021 [Member] |  |
Repayments of Debt | $ 2 | $ 2
Debt instrument interest rate, stated percentage | 9.50% | 9.50%
9.75% Amortizing Debentures Due 2021 [Member] |  |
Repayments of Debt | $ 1 | $ 1
Debt instrument interest rate, stated percentage | 9.75% | 9.75%
3.875% Senior Notes Due 2022 [Member] |  |
Repayments of Debt | $ 156 | $ 0
Debt instrument interest rate, stated percentage | 3.875% | 3.875%
2.875% Senior Notes Due 2023 [Member] |  |
Repayments of Debt | $ 136 | $ 0
Debt instrument interest rate, stated percentage | 2.875% | 2.875%
4.375% Senior Notes Due 2023 [Member] |  |
Repayments of Debt | $ 49 | $ 0
Debt instrument interest rate, stated percentage | 4.375% | 4.375%
3.625% Senior Notes Due 2024 [Member] |  |
Repayments of Debt | $ 150 | $ 0
Debt instrument interest rate, stated percentage | 3.625% | 3.625%
6.65% Senior Debentures Due 2024 [Member] |  |
Repayments of Debt | $ 4 | $ 0
Debt instrument interest rate, stated percentage | 6.65% | 6.65%
7.6% Senior Debentures Due 2025 [Member] |  |
Repayments of Debt | $ 19 | $ 0
Debt instrument interest rate, stated percentage | 7.60% | 7.60%

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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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