|
Commitments And Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Dec. 31, 2013
|
Sep. 30, 2014
Accounts Receivable [Member]
|
Dec. 31, 2013
Accounts Receivable [Member]
|
Sep. 30, 2014
Other Noncurrent Assets [Member]
|
Dec. 31, 2013
Other Noncurrent Assets [Member]
|
Sep. 30, 2013
Clean Air Act Section 185 [Member]
|
Jan. 31, 2014
Texas and New Mexico [Member]
mi
|
|
| Loss Contingencies [Line Items] | |||||||||||
| Liabilities recognized for estimated environmental costs | $ 37.3 | $ 37.3 | $ 38.5 | ||||||||
| Estimated environmental liabilities, years | 10 years | ||||||||||
| Environmental expenses | 3.7 | 2.9 | 4.1 | (5.8) | |||||||
| Loss Contingency, Loss in Period | (10.6) | ||||||||||
| Receivables from insurance carriers related to environmental matters | 5.2 | 5.2 | 4.8 | 1.4 | 2.1 | 3.8 | 2.7 | ||||
| Pipeline Length | 36 | ||||||||||
| Original Construction Costs | $ 36.4 | ||||||||||