Commitments and Contingencies (Planned Capital Expenditures) (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($) MW
Planned Capital Expenditures [Line Items]
Guarantor obligations, current carrying value	$ 484
Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	6,655
2023	7,770
2024	7,865
2025	7,965
2026	8,055
Total	38,310
NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	7,465
2023	2,350
2024	655
2025	390
2026	340
Total	11,200
New Generation Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,665
2023	1,670
2024	1,700
2025	935
2026	1,065
Total	7,035
Allowance for funds used during construction (AFUDC) - remainder of 2022	50
Allowance for funds used during construction (AFUDC) - 2023	75
Allowance for funds used during construction (AFUDC) - 2024	45
Allowance for funds used during construction (AFUDC) - 2025	25
Allowance for funds used during construction (AFUDC) - 2026	25
Existing Generation Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,275
2023	1,405
2024	1,170
2025	1,170
2026	1,220
Total	6,240
Transmission And Distribution Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	2,990
2023	3,965
2024	4,325
2025	5,065
2026	5,010
Total	21,355
Allowance for funds used during construction (AFUDC) - remainder of 2022	35
Allowance for funds used during construction (AFUDC) - 2023	45
Allowance for funds used during construction (AFUDC) - 2024	50
Allowance for funds used during construction (AFUDC) - 2025	30
Allowance for funds used during construction (AFUDC) - 2026	60
Nuclear Fuel Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	135
2023	110
2024	145
2025	145
2026	120
Total	655
General And Other Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	590
2023	620
2024	525
2025	650
2026	640
Total	3,025
Wind Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	2,630
2023	300
2024	30
2025	20
2026	20
Total	$ 3,000
Planned new generation over 5 year period (in megawatts) \| MW	3,464
Solar Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	$ 3,130
2023	1,570
2024	235
2025	0
2026	0
Total	$ 4,935
Planned new generation over 5 year period (in megawatts) \| MW	5,594
Battery Storage Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	$ 210
2023	80
2024	0
2025	0
2026	5
Total	295
Nuclear Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	180
2023	150
2024	200
2025	205
2026	210
Total	945
Rate-Regulated Transmission [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	135
2023	120
2024	40
2025	25
2026	10
Total	330
Other Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,180
2023	130
2024	150
2025	140
2026	95
Total	$ 1,695

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Estimated planned capital expenditures for the remainder of the current year.

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Planned New Generation To Be Added over 5 Years in Megawatts

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Total estimated planned capital expenditures.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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