XML 45 R34.htm IDEA: XBRL DOCUMENT v3.23.3
Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Renewable Energy Sales [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer $ 291 $ 232 $ 825 $ 747
Revenues over the remaining terms of the related contacts 172   172  
Natural Gas Transportation Services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer 58 $ 64 171 $ 181
Revenues over the remaining terms of the related contacts $ 1,500   $ 1,500