Long-Term Debt (Debt Issues) (Details) - USD ($)
$ in Millions |
12 Months Ended |
|
Feb. 01, 2020 |
Feb. 02, 2019 |
| Debt Instrument [Line Items] |
|
|
|
| Total debt |
|
$ 3,758
|
$ 3,856
|
| Unamortized debt issuance costs |
|
(37)
|
(48)
|
| Total long-term debt |
|
$ 3,574
|
$ 3,716
|
| Weighted-average interest rate at year end |
|
6.30%
|
6.30%
|
| Weighted-average maturity (in years) |
|
16 years
|
|
| Less: current maturities |
|
$ (147)
|
$ (92)
|
| 8.125% Senior Notes Due 2019 |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
8.125%
|
8.125%
|
| Unsecured Long-term Debt, Noncurrent |
|
$ 0
|
$ 50
|
| 5.65% Senior Notes Due 2020 (1) |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
5.65%
|
5.65%
|
| Unsecured Long-term Debt, Noncurrent |
[1] |
$ 105
|
$ 110
|
| 2016 Term Loan Facility (Matures in 2023) |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Secured Debt |
|
$ 1,540
|
$ 1,583
|
| 5.875% Senior Secured Notes Due 2023 (1) |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
5.875%
|
5.875%
|
| Secured Debt |
[1] |
$ 500
|
$ 500
|
| 7.125% Debentures Due 2023 |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
7.125%
|
7.125%
|
| Unsecured Long-term Debt, Noncurrent |
|
$ 10
|
$ 10
|
| Senior Secured Second Priority Notes 8.625% due 2025 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
8.625%
|
8.625%
|
| 8.625% Senior Secured Second Priority Notes Due 2025 (1) |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Secured Debt |
[1] |
$ 400
|
$ 400
|
| 6.9% Notes Due 2026 |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
6.90%
|
6.90%
|
| Unsecured Long-term Debt, Noncurrent |
|
$ 2
|
$ 2
|
| 6.375% Senior Notes Due 2036 (1) |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
6.375%
|
6.375%
|
| Unsecured Long-term Debt, Noncurrent |
[1] |
$ 388
|
$ 388
|
| 7.4% Debentures Due 2037 |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
7.40%
|
7.40%
|
| Unsecured Long-term Debt, Noncurrent |
|
$ 313
|
$ 313
|
| 7.625% Notes Due 2097 |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, stated interest rate (percent) |
|
7.625%
|
7.625%
|
| Unsecured Long-term Debt, Noncurrent |
|
$ 500
|
$ 500
|
|
|