Assets and Liabilities Held-for-Sale - Schedule of Carrying Amounts (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS
TOTAL CURRENT ASSETS	$ 162	$ 7,162
Non-utility property, net accumulated depreciation	13	13
CURRENT LIABILITIES
TOTAL CURRENT LIABILITIES	$ 74	3,610
Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses
CURRENT ASSETS
Restricted cash		2
Other current assets		5
TOTAL CURRENT ASSETS		7
Non-utility property, net accumulated depreciation		76
NET PLANT		76
OTHER NONCURRENT ASSETS
Intangible assets, less accumulated amortization		72
Operating lease right-of-use asset		7
TOTAL OTHER NONCURRENT ASSETS		79
TOTAL ASSETS		162
CURRENT LIABILITIES
Long-term debt due within one year		2
Operating lease liabilities		2
Other current liabilities		1
TOTAL CURRENT LIABILITIES		5
NONCURRENT LIABILITIES
Asset retirement obligations		2
Operating lease liabilities		5
TOTAL NONCURRENT LIABILITIES		7
LONG-TERM DEBT		62
TOTAL LIABILITIES		$ 74