XML 61 R50.htm IDEA: XBRL DOCUMENT v3.22.2
Risk Management Activities - Narrative (Details) - USD ($)
Aug. 03, 2022
Jun. 30, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]      
Collateral already posted on derivative   $ 1,906,000,000 $ 140,000,000
Collateral held on derivative   $ 0 $ 0
Subsequent Event      
Derivatives, Fair Value [Line Items]      
Collateral already posted on derivative $ 1,529,000,000