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, 2024 USD ($) MWh MMBTU bbl	Dec. 31, 2023 USD ($) MWh MMBTU bbl
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount \| $	$ 35.2	$ 25.6
Foreign currency contracts
Derivative [Line Items]
Derivative, Notional Amount \| $	$ 1.2	$ 0.5
Short [Member] \| Commodity contract - Power [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MWh) \| MWh	(189)	(167)
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	1,131	1,452
Short [Member] \| Commodity contract - Oil [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in barrels) \| bbl	(25)	(42)
Short [Member] \| FPL [Member] \| 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 [Member] \| 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 [Member] \| Commodity contract - Natural gas [Member]
Schedule of net notional volume of commodity derivative instruments [Abstract]
Non-monetary net notional amount (in MMBtu) \| MMBTU	503	717

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Section 50
-Paragraph 1I
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Paragraph 1A
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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