Variable Interest Entities (VIEs) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($) variable_interest_entity mi MW	Dec. 31, 2021 USD ($) variable_interest_entity
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 156,409	$ 140,912
Carrying amount of liabilities, consolidated variable interest entity	109,663	95,243
Investment in equity method investees	6,316	6,159
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	736	614
Carrying amount of liabilities, consolidated variable interest entity	$ 15	64
Electricity Transmission Line (in miles) | mi	280
Percentage of profits and losses	50.00%
Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 3,806	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	8
Carrying amount of assets, consolidated variable interest entity	$ 1,895	1,851
Carrying amount of liabilities, consolidated variable interest entity	$ 1,157	1,258
Solar generating facility capability (in megawatts) | MW	772
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum
Variable Interest Entity [Line Items]
Ownership percentage	50.00%
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum
Variable Interest Entity [Line Items]
Ownership percentage	67.00%
NextEra Energy Resources | Variable Interest Entities Wind and Solar PV Facilities [Member[
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 1,507	1,518
Carrying amount of liabilities, consolidated variable interest entity	$ 88	$ 79
Ownership percentage	10.00%
Wind electric generating facility capability (in megawatts) | MW	400
Solar generating facility capability (in megawatts) | MW	599
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member]
Variable Interest Entity [Line Items]
Total number of consolidated variable interest entities | variable_interest_entity	30	33
Carrying amount of assets, consolidated variable interest entity	$ 16,113	$ 17,419
Carrying amount of liabilities, consolidated variable interest entity	$ 1,106	1,480
Wind electric generating facility capability (in megawatts) | MW	10,502
Solar generating facility capability (in megawatts) | MW	791
Number of variable interest entities with guarantees to obligations | variable_interest_entity	1
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 85,153	78,067
Carrying amount of liabilities, consolidated variable interest entity	46,921	44,473
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	3,143	3,799
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees	4,926	4,214
Commitments To Increase (Decrease) In Equity Method Investments	$ 180	$ 110