|
Long-Term Debt (Details) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 0 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Oct. 31, 2014
|
Nov. 01, 2014
|
Nov. 02, 2013
|
Nov. 01, 2014
|
Nov. 02, 2013
|
Aug. 02, 2014
|
Sep. 30, 2014
Senior Notes 8.125% due 2019 [Member]
|
Oct. 31, 2014
Medium-Term Notes 6.875% due 2015 [Member]
|
Nov. 01, 2014
Medium-Term Notes 6.875% due 2015 [Member]
|
Aug. 02, 2014
Medium-Term Notes 6.875% due 2015 [Member]
|
Oct. 31, 2014
Debentures 7.65% due 2016 [Member]
|
Nov. 01, 2014
Debentures 7.65% due 2016 [Member]
|
Aug. 02, 2014
Debentures 7.65% due 2016 [Member]
|
Oct. 31, 2014
Debentures 7.95% due 2017 [Member]
|
Nov. 01, 2014
Debentures 7.95% due 2017 [Member]
|
Aug. 02, 2014
Debentures 7.95% due 2017 [Member]
|
Nov. 02, 2013
Unamortized Debt Issue Costs [Member]
|
Oct. 31, 2014
2014 Debt Defeasance [Member]
|
Jun. 05, 2013
2013 Tender Offer [Member]
|
May 22, 2013
2013 Tender Offer [Member]
|
Nov. 01, 2014
2013 Tender Offer [Member]
|
Nov. 02, 2013
2013 Tender Offer [Member]
|
Oct. 31, 2014
Premium Paid [Member]
|
Nov. 02, 2013
Premium Paid [Member]
|
Oct. 31, 2014
Reacquisition Costs [Member]
|
Nov. 02, 2013
Reacquisition Costs [Member]
|
||||||
| Debt Instrument, Interest Rate, Stated Percentage | 8.125% | 6.875% | 7.125% | ||||||||||||||||||||||||||||
| Net proceeds from issuance of long-term debt | $ 393 | $ 0 | $ 893 | $ 2,180 | $ 393 | ||||||||||||||||||||||||||
| Tender Premium | 67.50 | [1] | 105.00 | [1] | 97.50 | [1] | |||||||||||||||||||||||||
| Principal Amount Tendered ($ in millions) | 456 | 140 | 122 | 194 | |||||||||||||||||||||||||||
| Extinguishment of debt | 327 | 140 | 122 | 65 | 64 | 2 | 243 | ||||||||||||||||||||||||
| Unsecured long-term debt | 358 | 358 | 685 | 400 | 60 | 200 | 78 | 200 | 220 | 285 | |||||||||||||||||||||
| Early repayments of unsecured debt | 362 | 3 | 352 | ||||||||||||||||||||||||||||
| Accrued interest expense on debt accepted for purchase | 6 | ||||||||||||||||||||||||||||||
| Loss on extinguishment of debt | $ 30 | $ 34 | $ 0 | $ 34 | $ 114 | $ 2 | $ 4 | $ 114 | $ 29 | $ 110 | $ 1 | $ 2 | |||||||||||||||||||
| Commencement of Tender Offer | Apr. 30, 2013 | ||||||||||||||||||||||||||||||
| Percentage of Principal Amount Redeemed in Tender Offer | 95.41% | ||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||