|
Litigation, Other Contingencies and Guarantees (Narrative) (Details) (USD $)
|
1 Months Ended |
|---|---|
|
Jan. 31, 2015
|
|
| Loss Contingencies [Line Items] | |
| Estimate Potential Environmental Liabilities Minimum | $ 20,000,000 |
| Estimate Potential Environmental Liabilities Maximum | 25,000,000 |
| Recorded Best Estimate | 22,000,000 |
| J C Penney Direct Marketing Services Inc [Member] | |
| Loss Contingencies [Line Items] | |
| Release of Guarantee | 20,000,000 |
| Property Lease Guarantee [Member] | |
| Loss Contingencies [Line Items] | |
| Maximum Exposure of Guarantee | $ 4,000,000 |