Dispositions (Narrative) (Details) - Discontinued Operations, Held-for-sale - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jul. 31, 2023
Brookfield Renewable Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration to be received	$ 1,100
Arclight | Subsequent event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration to be received				$ 259
Commercial Renewables
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax impairment	1,200	$ 220	$ 1,700
Noncontrolling interest balance	$ 1,800		$ 1,600