Financing Activities (Detail Of Debt Repayments) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jul. 29, 2017 |
Jul. 30, 2016 |
|
| Extinguishment of debt | $ 247 | |
| Debt repaid | 550 | $ 3 |
| 9.5% Amortizing Debentures due 2021 | ||
| Extinguishment of debt | 2 | 2 |
| 9.75% Amortizing Debentures Due 2021 | ||
| Extinguishment of debt | 1 | 1 |
| 7.45% senior debentures due 2017 | ||
| Extinguishment of debt | 300 | 0 |
| 6.375% Senior Notes Due 2037 | ||
| Extinguishment of debt | 135 | 0 |
| 6.9% senior debentures due 2032 | ||
| Extinguishment of debt | 72 | 0 |
| 6.7% Senior Debentures Due 2034 | ||
| Extinguishment of debt | 28 | 0 |
| 6.65% senior debentures due 2024 | ||
| Extinguishment of debt | 4 | 0 |
| 6.9% senior debentures due 2029 | ||
| Extinguishment of debt | 3 | 0 |
| 6.7% senior debentures due 2028 | ||
| Extinguishment of debt | 3 | 0 |
| 7.0% senior debentures due 2028 | ||
| Extinguishment of debt | $ 2 | $ 0 |