Long-Term Debt (Details) - USD ($)
$ in Millions |
3 Months Ended |
|
Apr. 30, 2016 |
May. 02, 2015 |
Jan. 30, 2016 |
| Debt Repurchase Provision, Debt Repurchase at a Percentage Price |
101.00%
|
|
|
| Debt Instrument, Repurchased Face Amount |
|
$ 60
|
|
| Less: current maturities |
$ 321
|
28
|
$ 101
|
| Unamortized debt issuance costs |
(55)
|
(89)
|
(61)
|
| Total debt, excluding capital leases and note payable |
4,709
|
5,254
|
4,769
|
| Total debt, excluding unamortized debt issuance costs, capital leases and note payable |
4,764
|
5,343
|
4,830
|
| Total long-term debt, excluding capital leases and note payable |
4,388
|
5,226
|
4,668
|
| (Gain)/loss on extinguishment of debt |
(4)
|
0
|
|
| Senior Notes 5.65% Due 2020 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 400
|
400
|
400
|
| Debt Instrument, Interest Rate, Stated Percentage |
5.65%
|
|
|
| Senior Notes 5.75% Due 2018 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 265
|
300
|
300
|
| Debt Instrument, Interest Rate, Stated Percentage |
5.75%
|
|
|
| Senior Notes 6.375% Due 2036 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 388
|
400
|
400
|
| Debt Instrument, Interest Rate, Stated Percentage |
6.375%
|
|
|
| Senior Notes 8.125% due 2019 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 400
|
400
|
400
|
| Debt Instrument, Interest Rate, Stated Percentage |
8.125%
|
|
|
| Notes 6.9% Due 2026 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 2
|
2
|
2
|
| Debt Instrument, Interest Rate, Stated Percentage |
6.90%
|
|
|
| Debentures 7.125% Due 2023 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 10
|
10
|
10
|
| Debt Instrument, Interest Rate, Stated Percentage |
7.125%
|
|
|
| Debentures 7.4% Due 2037 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 313
|
326
|
326
|
| Debt Instrument, Interest Rate, Stated Percentage |
7.40%
|
|
|
| Notes 7.625% Due 2097 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 500
|
500
|
500
|
| Debt Instrument, Interest Rate, Stated Percentage |
7.625%
|
|
|
| Debentures Seven Point Six Five Percent Due2016 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 78
|
78
|
78
|
| Debt Instrument, Interest Rate, Stated Percentage |
7.65%
|
|
|
| Debentures Seven Point Nine Five Percent Due2017 [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 220
|
220
|
220
|
| Debt Instrument, Interest Rate, Stated Percentage |
7.95%
|
|
|
| 2013 Term Loan Facility [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
$ 2,188
|
2,211
|
2,194
|
| 2014 Term Loan [Member] |
|
|
|
| Unsecured Long-term Debt, Noncurrent |
0
|
496
|
0
|
| Notes And Debentures Including Current Maturities [Member] |
|
|
|
| Total debt, excluding unamortized debt issuance costs, capital leases and note payable |
$ 4,764
|
$ 5,343
|
$ 4,830
|