Assets and Liabilities Held-for-Sale - Schedule of Carrying Amounts (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
CURRENT ASSETS
TOTAL CURRENT ASSETS	$ 161	$ 7,162
Non-utility property, net accumulated depreciation	13	13
CURRENT LIABILITIES
TOTAL CURRENT LIABILITIES	75	3,610
Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses
CURRENT ASSETS
Accounts receivable and other receivables - net allowance for uncollectible accounts		$ 4
Other current assets	2
TOTAL CURRENT ASSETS	6
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	$ 161
CURRENT LIABILITIES
Long-term debt due within one year			$ 2
Operating lease liabilities			2
Other current liabilities			2
TOTAL CURRENT LIABILITIES			6
NONCURRENT LIABILITIES
Asset retirement obligations			3
Operating lease liabilities			5
TOTAL NONCURRENT LIABILITIES			8
LONG-TERM DEBT			61
TOTAL LIABILITIES			$ 75