XML 56 R42.htm IDEA: XBRL DOCUMENT v3.4.0.3
Investments in Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]      
Investments in unconsolidated affiliates $ 2,684.1   $ 2,628.5
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates 101.1 $ 89.2  
Unamortized excess cost amounts by business segment [Abstract]      
Unamortized excess cost amounts 46.4   46.9
Equity method investment amortization of excess cost 0.5 2.6  
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]      
Revenues 345.5 349.5  
Operating income 213.7 196.6  
Net income 215.2 193.4  
NGL Pipelines & Services [Member]      
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates 15.1 11.6  
Unamortized excess cost amounts by business segment [Abstract]      
Unamortized excess cost amounts $ 25.0   25.3
NGL Pipelines & Services [Member] | Venice Energy Service Company, L.L.C. [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 13.10%    
Investments in unconsolidated affiliates $ 25.7   25.9
NGL Pipelines & Services [Member] | K/D/S Promix, L.L.C. [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 38.3   38.3
NGL Pipelines & Services [Member] | Baton Rouge Fractionators LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 32.20%    
Investments in unconsolidated affiliates $ 17.9   18.5
NGL Pipelines & Services [Member] | Skelly-Belvieu Pipeline Company, L.L.C. [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 39.1   39.8
NGL Pipelines & Services [Member] | Texas Express Pipeline LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 35.00%    
Investments in unconsolidated affiliates $ 338.1   342.0
NGL Pipelines & Services [Member] | Texas Express Gathering LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 45.00%    
Investments in unconsolidated affiliates $ 36.6   36.8
NGL Pipelines & Services [Member] | Front Range Pipeline LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 33.30%    
Investments in unconsolidated affiliates $ 171.1   171.2
NGL Pipelines & Services [Member] | Delaware Basin Gas Processing LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 73.3   46.2
Crude Oil Pipelines & Services [Member]      
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates 90.1 59.9  
Unamortized excess cost amounts by business segment [Abstract]      
Unamortized excess cost amounts $ 19.1   19.3
Crude Oil Pipelines & Services [Member] | Seaway Crude Pipeline Company LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 1,420.0   1,396.0
Crude Oil Pipelines & Services [Member] | Eagle Ford Pipeline LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 389.5   388.8
Crude Oil Pipelines & Services [Member] | Eagle Ford Terminals Corpus Christi LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 39.1   28.6
Natural Gas Pipelines & Services [Member]      
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates $ 1.0 0.9  
Natural Gas Pipelines & Services [Member] | White River Hub, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 22.3   22.5
Petrochemical & Refined Products Services [Member]      
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates (5.1) (3.4)  
Unamortized excess cost amounts by business segment [Abstract]      
Unamortized excess cost amounts $ 2.3   2.3
Petrochemical & Refined Products Services [Member] | Baton Rouge Propylene Concentrator, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 30.00%    
Investments in unconsolidated affiliates $ 5.3   5.4
Petrochemical & Refined Products Services [Member] | Centennial Pipeline LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership Interest (in hundredths) 50.00%    
Investments in unconsolidated affiliates $ 64.6   65.6
Petrochemical & Refined Products Services [Member] | Other Unconsolidated Affiliates [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in unconsolidated affiliates 3.2   $ 2.9
Offshore Pipelines & Services [Member]      
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract]      
Equity in income (loss) of unconsolidated affiliates $ 0.0 $ 20.2