XML 75 R64.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenues, Impact of Change in Accounting Policy (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Assets [Abstract]          
Accounts receivable - trade, net $ 4,222.9   $ 4,222.9   $ 4,358.4
Prepaid and other current assets 609.9   609.9   312.7
Property, plant and equipment, net 37,802.9   37,802.9   35,620.4
Other assets 260.6   260.6   196.4
Liabilities and Equity          
Other long-term liabilities 747.2   747.2   578.4
Partners' equity 23,073.1   23,073.1   $ 22,547.2
Condensed Consolidated Statement of Operations Information [Abstract]          
Revenues 9,585.9 [1] $ 6,886.9 [2] 27,351.9 [1] $ 20,814.9 [2]  
Costs and Expenses [Abstract]          
Operating costs and expenses 8,001.9 6,079.8 23,776.6 18,143.2  
Operating Activities [Abstract]          
Net income 1,334.6 $ 621.3 2,933.3 2,058.3  
Net effect of changes in operating accounts     (261.9) (512.1)  
Investing Activities [Abstract]          
Contributions in aid of construction costs     0.0 $ 36.2  
Balances Without Adoption [Member] | ASC 606 [Member]          
Assets [Abstract]          
Accounts receivable - trade, net 4,411.5   4,411.5    
Prepaid and other current assets 421.3   421.3    
Property, plant and equipment, net 37,727.7   37,727.7    
Other assets 260.6   260.6    
Liabilities and Equity          
Other long-term liabilities 679.3   679.3    
Partners' equity 23,065.8   23,065.8    
Condensed Consolidated Statement of Operations Information [Abstract]          
Revenues 9,367.6   26,853.2    
Costs and Expenses [Abstract]          
Operating costs and expenses 7,786.1   23,285.2    
Operating Activities [Abstract]          
Net income     2,926.0    
Net effect of changes in operating accounts     (329.8)    
Investing Activities [Abstract]          
Contributions in aid of construction costs     67.9    
Impact of Adoption [Member] | ASC 606 [Member]          
Assets [Abstract]          
Accounts receivable - trade, net (188.6)   (188.6)    
Prepaid and other current assets 188.6   188.6    
Property, plant and equipment, net 75.2   75.2    
Other assets 0.0   0.0    
Liabilities and Equity          
Other long-term liabilities 67.9   67.9    
Partners' equity 7.3   7.3    
Condensed Consolidated Statement of Operations Information [Abstract]          
Revenues 218.3   498.7    
Costs and Expenses [Abstract]          
Operating costs and expenses 215.8   491.4    
Operating Activities [Abstract]          
Net income     7.3    
Net effect of changes in operating accounts     67.9    
Investing Activities [Abstract]          
Contributions in aid of construction costs     (67.9)    
Impact of Adoption [Member] | ASC 606 [Member] | Equity NGL Revenue [Member]          
Condensed Consolidated Statement of Operations Information [Abstract]          
Revenues 215.8   491.4    
Impact of Adoption [Member] | ASC 606 [Member] | CIAC Revenue [Member]          
Condensed Consolidated Statement of Operations Information [Abstract]          
Revenues $ 2.5   $ 7.3    
[1] Revenues are accounted for under ASC 606 upon implementation at January 1, 2018.
[2] Revenues are accounted for under ASC 605 for historical periods prior to January 1, 2018.