XML 62 R48.htm IDEA: XBRL DOCUMENT v3.4.0.3
Equity and Distributions, Issuances of Equity (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 08, 2016
Mar. 31, 2016
Mar. 31, 2015
Apr. 22, 2016
Net Cash Proceeds from Sale of Common Units [Abstract]        
Net cash proceeds from the issuance of common units   $ 1,011.5 $ 468.4  
At-the-Market Registration [Member]        
Registration Statements and Equity Offerings [Line Items]        
Maximum common units authorized for issuance       $ 2,170.0
Remaining units available for issuance $ 415.7      
Net Cash Proceeds from Sale of Common Units [Abstract]        
Number of common units issued (in units) 25,550,931 35,396,147 12,350,761  
Gross proceeds from the sale of common units $ 594.1 $ 856.5 $ 407.8  
Net cash proceeds from the issuance of common units $ 592.0 $ 849.0 $ 404.2  
At-the-Market Registration [Member] | EPCO and its privately held affiliates [Member]        
Net Cash Proceeds from Sale of Common Units [Abstract]        
Number of common units issued (in units)   3,830,256    
Gross proceeds from the sale of common units   $ 100.0    
Distribution Reinvestment Plan [Member]        
Registration Statements and Equity Offerings [Line Items]        
Maximum common units authorized for issuance (in units)   140,000,000    
Remaining units available for issuance (in units)   7,905,254    
Net Cash Proceeds from Sale of Common Units [Abstract]        
Number of common units issued (in units)   7,162,744 1,869,079  
Net cash proceeds from the issuance of common units   $ 159.8 $ 61.7  
Distribution Reinvestment Plan [Member] | EPCO and its privately held affiliates [Member]        
Net Cash Proceeds from Sale of Common Units [Abstract]        
Number of common units issued (in units)   4,481,504    
Net cash proceeds from the issuance of common units   $ 100.0    
Employee Unit Purchase Plan [Member]        
Registration Statements and Equity Offerings [Line Items]        
Maximum common units authorized for issuance (in units)   8,000,000    
Remaining units available for issuance (in units)   6,653,244    
Net Cash Proceeds from Sale of Common Units [Abstract]        
Number of common units issued (in units)   119,262 71,753  
Net cash proceeds from the issuance of common units   $ 2.7 $ 2.5