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Financing (Narrative) (Details) - USD ($) |  |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 10, 2022 | Mar. 08, 2022 | Mar. 03, 2022 | Oct. 15, 2021 | Aug. 17, 2021 | Mar. 17, 2021 | Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021 | Jun. 08, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  | $ 500,000,000 |  |  |  |
Payments for debt, debt extinguishment costs and associated fees | $ 1,100,000,000 |  |  |  |  |  |  |  |  |
Losses on early retirement of debt | 31,000,000 |  |  |  | $ 185,000,000 | 11,000,000 | $ 31,000,000 | $ 199,000,000 | $ 0 |
Debt instrument, repurchase amount |  |  |  |  |  | 17,000,000 |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  |  |  | $ 1,500,000,000
Credit agreement maturity date |  |  |  |  |  |  | Mar. 31, 2027 |  |  |
Other Standby and Commercial Letters of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding |  |  |  |  |  |  | $ 65,000,000 | $ 116,000,000 |  |
Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  | $ 8,000,000 |  |  |  |  |  |  |  |
Secured debt |  | $ 352,000,000 |  |  |  |  |  |  |  |
Senior notes due 2030 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount | $ 425,000,000 |  |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage | 5.875% |  |  |  |  |  | 5.875% | 5.875% |  |
Senior notes due 2032 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount | $ 425,000,000 |  |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage | 6.125% |  |  |  |  |  | 6.125% | 6.125% |  |
Senior notes due 2029 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount |  |  |  |  |  | $ 500,000,000 |  |  |  |
Debt instrument interest rate, stated percentage |  |  |  |  |  | 5.875% | 5.875% | 5.875% |  |
Senior secured notes due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  |  |  | 8.375% |  | 8.375% | 8.375% | 8.375% |
Debt instrument, redeemed in principal amount |  |  |  |  | $ 1,300,000,000 |  |  |  |  |
Debt instrument, redemption price, percentage of principal amount redeemed |  |  |  |  | 100.00% |  |  |  |  |
Debt instrument, accrued and unpaid interest |  |  |  |  | $ 19,000,000 |  |  |  |  |
Gain (loss) on early redemption of debt before write off |  |  |  |  | 138,000,000 |  |  |  |  |
Unamortized deferred debt costs |  |  |  |  | $ 47,000,000 |  |  |  |  |
Senior notes due 2022 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  |  | 3.875% |  |  | 3.875% | 3.875% | 3.875% |
Debt instrument, redeemed in principal amount |  |  |  | $ 294,000,000 |  |  |  |  |  |
Debt instrument, redemption price, percentage of principal amount redeemed |  |  |  | 100.00% |  |  |  |  |  |
Debt instrument, accrued and unpaid interest |  |  |  | $ 3,000,000 |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  |  |  | $ 1,000,000
New ABL Credit Facility | ABL Borrower |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 3,000,000,000 |  |  |  |  |  |  |
New ABL Credit Facility | ABL Borrower | Credit Spread |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.10% |  |  |  |  |  |  |
New ABL Credit Facility | ABL Borrower | SOFR | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.25% |  |  |  |  |  |  |
New ABL Credit Facility | ABL Borrower | SOFR | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.50% |  |  |  |  |  |  |
New ABL Credit Facility | ABL Borrower | Base Rate | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.25% |  |  |  |  |  |  |
New ABL Credit Facility | ABL Borrower | Base Rate | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.50% |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term line of credit |  |  |  |  |  |  | $ 0 | $ 0 |  |
Revolving Credit Facility | ABL Borrower |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount outstanding under credit facility |  |  |  |  |  |  | $ 0 | $ 0 |  |

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