Quarterly report pursuant to Section 13 or 15(d)

Other Non-Current Assets - Equity Method Investments (Details)

v3.21.1
Other Non-Current Assets - Equity Method Investments (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
mi
Dec. 31, 2020
USD ($)
Schedule of Equity Method Investments [Line Items]    
Equity method investments $ 87 $ 81
Midship Holdings LLC [Member]    
Schedule of Equity Method Investments [Line Items]    
Length of Natural Gas Pipeline | mi 200  
Equity method investments $ 87 $ 80