Variable Interest Entities (VIEs) (Details) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($) variable_interest_entity MW	Jun. 30, 2023 MW	Dec. 31, 2022 USD ($) variable_interest_entity mi MW	Dec. 31, 2021 USD ($) variable_interest_entity	Dec. 31, 2020 USD ($)
Variable Interest Entity [Line Items]
TOTAL ASSETS	$ 158,935		$ 158,935	$ 140,912	$ 127,684
Carrying amount of liabilities, consolidated variable interest entity	109,499		109,499	95,243
Investment in equity method investees	6,582		6,582	6,159	$ 5,728
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
TOTAL ASSETS	744		744	614
Carrying amount of liabilities, consolidated variable interest entity	18		$ 18	64
Electricity Transmission Line | mi			280
Variable Interest Entity, Consolidated, Income Allocation, Percentage			50.00%
Variable Interest Entity Other [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 4,016		$ 4,016	$ 4,559
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member]
Variable Interest Entity [Line Items]
Total Number Of Consolidated Variable Interest Entities | variable_interest_entity	9		9	8
TOTAL ASSETS	$ 2,084		$ 2,084	$ 1,851
Carrying amount of liabilities, consolidated variable interest entity	1,174		$ 1,174	1,258
Solar generating facility capability | MW			772
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Forecast [Member]
Variable Interest Entity [Line Items]
Solar generating facility capability | MW		125
Battery storage facility capacity | MW		65
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum [Member]
Variable Interest Entity [Line Items]
Ownership percentage (in hundredths)			50.00%
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum [Member]
Variable Interest Entity [Line Items]
Ownership percentage (in hundredths)			67.00%
NextEra Energy Resources Consolidated VIE [Member] | 10% direct ownership in wind and solar facilities
Variable Interest Entity [Line Items]
TOTAL ASSETS	1,488		$ 1,488	1,518
Carrying amount of liabilities, consolidated variable interest entity	$ 86		86	79
Ownership percentage (in hundredths)	10.00%
Wind electric generating facility capability (in megawatts) | MW	400
Solar generating facility capability | MW	599
NEER [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees	$ 4,968		$ 4,968	5,485
NEER [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Wind electric generating facility capability (in megawatts) | MW			12,413
Solar generating facility capability | MW			2,360
NEER [Member] | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member]
Variable Interest Entity [Line Items]
TOTAL ASSETS	19,690		$ 19,690	17,419
Carrying amount of liabilities, consolidated variable interest entity	2,318		$ 2,318	1,480
Wind electric generating facility capability (in megawatts) | MW			11,712
Solar generating facility capability | MW			600
Battery storage facility capacity | MW			324
NEER [Member] | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] | Forecast [Member]
Variable Interest Entity [Line Items]
Wind electric generating facility capability (in megawatts) | MW		301
Solar generating facility capability | MW		1,161
Battery storage facility capacity | MW		390
FPL [Member]
Variable Interest Entity [Line Items]
TOTAL ASSETS	86,559		$ 86,559	78,067
Carrying amount of liabilities, consolidated variable interest entity	47,639		47,639	44,473
FPL [Member] | Variable Interest Entity Other [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	3,331		3,331	3,799
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees	5,214		5,214	$ 4,214
Commitments To Increase (Decrease) In Equity Method Investments	$ 180		$ 180