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Variable Interest Entities (VIEs) (Details) $ in Millions	6 Months Ended
Variable Interest Entities (VIEs) (Details) $ in Millions	Jun. 30, 2026 USD ($) variable_interest_entity basisPoint MW	Dec. 31, 2025 USD ($) variable_interest_entity	Jun. 30, 2025 USD ($)
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 232,807.0	$ 212,721.0
TOTAL LIABILITIES	164,648.0	146,242.0
Investment in equity method investees	5,971.0	5,528.0
Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 7,140.0	6,592.0
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	5
Carrying amount of assets, consolidated variable interest entity	$ 505.0	506.0
TOTAL LIABILITIES	$ 99.0	148.0
Solar generating facility capability (in megawatts) \| MW	280
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 Entity [Line Items]
Investment in equity method investees			$ 1,700.0
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	$ 1,281.0	1,301.0
TOTAL LIABILITIES	$ 75.0	$ 71.0
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	33	34
Carrying amount of assets, consolidated variable interest entity	$ 28,634.0	$ 28,768.0
TOTAL LIABILITIES	$ 924.0	1,485.0
Wind electric generating facility capability (in megawatts) \| MW	11,689
Solar generating facility capability (in megawatts) \| MW	4,910
Solar Plus Storage Facility Capacity \| MW	2,924
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 111,662.0	105,158.0
TOTAL LIABILITIES	61,902.0	58,172.0
Florida Power & Light Company \| Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 5,399.0	5,075.0
Subsidiaries of NEE
Variable Interest Entity [Line Items]
Number of variable interest entities with guarantees to obligations \| basisPoint	1
Investment in equity method investees	$ 2,500.0	$ 2,525.0
Commitments To Increase (Decrease) In Equity Method Investments	$ 225.0