{"cik":1936737,"taxonomy":"us-gaap","tag":"Assets","label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","entityName":"EASTERN GAS TRANSMISSION AND STORAGE, INC.","units":{"USD":[{"end":"2021-12-31","val":5101000000,"accn":"0001936737-22-000006","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-09-06","frame":"CY2021Q4I"},{"end":"2022-06-30","val":5115000000,"accn":"0001936737-22-000006","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-09-06","frame":"CY2022Q2I"}]}}