XML 67 R54.htm IDEA: XBRL DOCUMENT v3.22.2
Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Schedule of Right of Way Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract]        
ROW Expense $ 14 $ 9 $ 28 $ 15