v3.7.0.1
Operating Segments, Results (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Revenues    
Total Revenues $ 420 $ 300
Segment Operating Income    
Operating Income (Loss) 150 119
Segment Reporting, Operating Income (Loss) 160 127
Unallocated general and administrative expenses (10) (8)
Interest and financing costs, net (60) (44)
Equity in earnings of equity method investments 2 4
Other income, net 0 6
Net Earnings 92 85
Segment Reporting Information, Additional Information    
Capital Expenditures 45 60
Sales of natural gas, NGLS and condensate [Member]    
Revenues    
Total Revenues 83 27
Gas gathering and processing [Member]    
Revenues    
Total Revenues 80 68
Crude oil and water gathering [Member]    
Revenues    
Total Revenues 39 35
Pass-thru and other revenue [Member]    
Revenues    
Total Revenues 43 32
Gathering and Processing [Member]    
Revenues    
Total Revenues 245 162
Segment Operating Income    
Operating Income (Loss) 62 64
Segment Reporting Information, Additional Information    
Capital Expenditures 18 30
Terminalling revenues [Member]    
Revenues    
Total Revenues 145 108
Pipeline transportation revenues [Member]    
Revenues    
Total Revenues 30 30
Terminalling and Transportation    
Revenues    
Total Revenues 175 138
Segment Operating Income    
Operating Income (Loss) 98 63
Segment Reporting Information, Additional Information    
Capital Expenditures $ 27 $ 30