Property, Plant and Equipment - Schedule Of Property Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Electric plant in service and other property	$ 124,963	$ 112,500
Nuclear fuel	1,684	1,606
Construction work in progress	15,675	14,141
Property, plant and equipment, gross	142,322	128,247
Accumulated depreciation and amortization	(31,263)	(28,899)
Property, plant and equipment - net	111,059	99,348	$ 91,803
FPL [Member]
Property, Plant and Equipment [Line Items]
Electric plant in service and other property	74,353	67,771
Nuclear fuel	1,190	1,170
Construction work in progress	7,026	6,326
Property, plant and equipment, gross	82,569	75,267
Accumulated depreciation and amortization	(17,876)	(17,040)
Electric utility plant and other property – net	$ 64,693	$ 58,227