Derivative Instruments (Net Notional Volumes and Additional Disclosures) (Details) bbl in Millions, MWh in Millions, MMBTU in Millions, $ in Billions	12 Months Ended
Dec. 31, 2025 USD ($) MWh MMBTU bbl	Dec. 31, 2024 USD ($) MWh MMBTU bbl
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount \| $	$ 47.3	$ 35.2
Foreign currency contracts
Derivative [Line Items]
Derivative, Notional Amount \| $	$ 6.0	$ 1.2
Short [Member] \| Commodity contract - Power [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MWh) \| MWh	(249)	(189)
Short [Member] \| Commodity contract - Natural gas [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MMBtu) \| MMBTU	1,087	1,131
Short [Member] \| Commodity contract - Oil [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in barrels) \| bbl	3	25
Short [Member] \| FPL \| Commodity contract - Oil [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in barrels) \| bbl	0	0
Long [Member] \| FPL \| Commodity contract - Power [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MWh) \| MWh	0	0
Long [Member] \| FPL \| Commodity contract - Natural gas [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MMBtu) \| MMBTU	378	503

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
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