Subsequent Events (Details) - Subsequent Event [Member] - AES Tiete [Domain] $ in Millions	Aug. 05, 2020 USD ($)
Subsequent Event [Line Items]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Acquired Additional Interest	18.50%
Payments to Acquire Additional Interest in Subsidiaries	$ 250
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest after Acquisition	42.90%