Property, Plant and Equipment - Schedule Of Property Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Electric plant in service and other property	$ 139,049	$ 124,963
Nuclear fuel	1,564	1,684
Construction work in progress	18,652	15,675
Property, plant and equipment, gross	159,265	142,322
Accumulated depreciation and amortization	(33,489)	(31,263)
Property, plant and equipment - net	125,776	111,059	$ 99,348
FPL [Member]
Property, Plant and Equipment [Line Items]
Electric plant in service and other property	79,801	74,353
Nuclear fuel	1,125	1,190
Construction work in progress	8,311	7,026
Property, plant and equipment, gross	89,237	82,569
Accumulated depreciation and amortization	(18,629)	(17,876)
Electric utility plant and other property – net	$ 70,608	$ 64,693