XML 56 R83.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings Per Unit (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Earnings Per Unit [Abstract]                      
Merger exchange ratio of Enterprise common units for each Holding unit                     1.5
Numerator:                      
Net income attributable to limited partners                 $ 2,419.9 $ 2,046.9 $ 320.8
Denominator:                      
Distribution-bearing common units outstanding (in units)                 861.8 824.6 274.5
Basic earnings per unit:                      
Net income attributable to limited partners, basic (in dollars per unit) $ 0.70 $ 0.68 $ 0.66 $ 0.76 $ 0.85 $ 0.57 $ 0.53 $ 0.52 $ 2.81 $ 2.48 $ 1.17
Numerator:                      
Net income attributable to limited partners                 $ 2,419.9 $ 2,046.9 $ 320.8
Denominator:                      
Distribution-bearing common units outstanding (in units)                 861.8 824.6 274.5
Class B units (in units)                 4.5 4.5 0.5
Designated Units (in units)                 25.5 29.5 3.4
Incremental option units (in units)                 1.4 1.3 0.1
Total (in units)                 893.2 859.9 278.5
Diluted earnings per unit:                      
Net income attributable to limited partners, diluted (in dollars per unit) $ 0.68 $ 0.66 $ 0.64 $ 0.73 $ 0.82 $ 0.55 $ 0.51 $ 0.49 $ 2.71 $ 2.38 $ 1.15