Income Taxes (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 01, 2020 |
Aug. 03, 2019 |
Aug. 01, 2020 |
Aug. 03, 2019 |
|
| Income Tax Contingency [Line Items] | ||||
| Income tax expense/(benefit) | $ 7,000,000 | $ (5,000,000) | $ 67,000,000 | $ (6,000,000) |
| Income tax benefit due to release of valuation allowance | 9,000,000 | 65,000,000 | ||
| Deferred State and Local Income Tax Expense (Benefit) | 3,000,000 | |||
| Net operating loss carryforwards | 2,500,000,000 | 2,500,000,000 | ||
| Federal unused interest deductions that do not expire subject to interest limitation | 383,000,000 | 383,000,000 | ||
| Deferred Tax Asset, Interest Carryforward | 389,000,000 | 389,000,000 | ||
| Tax credit carryforwards | 76,000,000 | $ 76,000,000 | ||
| Valuation allowance, methodologies and assumptions | In assessing the need for the valuation allowance, we considered both positive and negative evidence related to the likelihood of realization of the deferred tax assets. As a result of our periodic assessment, our estimate of the realization of deferred tax assets is solely based on the future reversals of existing taxable temporary differences and tax planning strategies that we would make use of to accelerate taxable income to utilize expiring NOL and tax credit carryforwards. | |||
| Increase to tax valuation allowance for deferred tax assets | 112,000,000 | |||
| Federal, State And Foreign | ||||
| Income Tax Contingency [Line Items] | ||||
| State and foreign tax expenses | (1,000,000) | $ (1,000,000) | ||
| Amortization of certain indefinite lived intangible assets | ||||
| Income Tax Contingency [Line Items] | ||||
| State and foreign tax expenses | (1,000,000) | (2,000,000) | ||
| Federal tax authority | ||||
| Income Tax Contingency [Line Items] | ||||
| Valuation allowance | 786,000,000 | 786,000,000 | ||
| State Tax Authority | ||||
| Income Tax Contingency [Line Items] | ||||
| Valuation allowance | $ 268,000,000 | $ 268,000,000 | ||