Asset Dispositions and Impairments (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Loss on Extinguishment of Debt		$ 0	$ 0	$ (298)
Energy Holdings [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets to be Disposed of			78
Other Production-Solar [Member]
Restructuring Cost and Reserve [Line Items]
Gain (Loss) on Asset Disposition				63
Deferred ITC previously recognized				185
Disposal group, gain (loss) on sale tax impact				62
Fossil Production [Member]
Restructuring Cost and Reserve [Line Items]
Proceeds from Divestiture of Businesses				1,920
Impairment of Long-Lived Assets to be Disposed of			$ 50	2,691
Loss on Extinguishment of Debt	$ 298
Severance Costs				$ 13