XML 29 R28.htm IDEA: XBRL DOCUMENT v3.20.1
General - Organization and Basis of Presentation (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
mi
Terminals
General [Line Items]  
Miles of pipeline | mi 83,000
Number of pipeline terminals owned interest in and/or operated | Terminals 147
CO2  
General [Line Items]  
Asset impairment charges | $ $ 950