|
Owners' Equity (Changes In Limited Partner Units Outstanding) (Details)
|
12 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2013
Management [Member]
|
Dec. 31, 2012
Management [Member]
|
Dec. 31, 2011
Management [Member]
|
Dec. 31, 2013
Director [Member]
|
Dec. 31, 2012
Director [Member]
|
Dec. 31, 2011
Director [Member]
|
||||||
| Limited Partners' Capital Account [Roll Forward] | ||||||||||||||
| Limited partner unitholders, units outstanding | 226,200,872 | 225,473,142 | 224,962,698 | |||||||||||
| Partners' Capital Account, Units, Unit-based Compensation | 476,682 | 722,766 | 505,492 | 1,884 | [1] | 4,964 | [1] | 4,952 | [1] | |||||
| Limited partner unitholders, units outstanding | 226,679,438 | 225,473,142 | 224,962,698 | |||||||||||
| Limited Partners' Capital Account, Right to Receive Distribution in Cash, Period | 45 days | |||||||||||||
| Limited Partners' Capital Account, Removal of Magellan GP, LLC, Percentage Vote | 100.00% | |||||||||||||
| Limited Partners' Capital Account, Annual Report Available, Period | 120 days | |||||||||||||
| Limited Partners' Capital Account, Tax Reporting Information, Period | 90 days | |||||||||||||
|
||||||||||||||