Commitments and Contingencies (Planned Capital Expenditures) (Details) $ in Millions	6 Months Ended
Jun. 30, 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	5,055
2023	8,215
2024	7,925
2025	7,985
2026	8,050
Total	37,230
NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	4,625
2023	3,540
2024	1,450
2025	380
2026	340
Total	10,335
New Generation Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,375
2023	1,705
2024	1,695
2025	920
2026	1,020
Total	6,715
Allowance for funds used during construction (AFUDC) - remainder of 2022	35
Allowance for funds used during construction (AFUDC) - 2023	70
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	25
Existing Generation Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,090
2023	1,525
2024	1,315
2025	1,090
2026	1,295
Total	6,315
Transmission And Distribution Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	2,005
2023	4,160
2024	4,145
2025	5,125
2026	4,915
Total	20,350
Allowance for funds used during construction (AFUDC) - remainder of 2022	25
Allowance for funds used during construction (AFUDC) - 2023	45
Allowance for funds used during construction (AFUDC) - 2024	45
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	115
2023	125
2024	160
2025	200
2026	200
Total	800
General And Other Expenditures [Member] \| Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2022	470
2023	700
2024	610
2025	650
2026	620
Total	3,050
Wind Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	1,705
2023	230
2024	390
2025	30
2026	20
Total	$ 2,375
Planned new generation over 5 year period (in megawatts) \| MW	3,723
Solar Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	$ 1,780
2023	2,315
2024	645
2025	0
2026	0
Total	$ 4,740
Planned new generation over 5 year period (in megawatts) \| MW	5,943
Battery Storage Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	$ 265
2023	390
2024	0
2025	0
2026	5
Total	660
Nuclear Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	150
2023	160
2024	220
2025	225
2026	230
Total	985
Rate-Regulated Transmission [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	75
2023	120
2024	45
2025	25
2026	10
Total	275
Other Expenditures [Member] \| NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2022	650
2023	325
2024	150
2025	100
2026	75
Total	$ 1,300

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Estimated planned capital expenditures for the fourth year.

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

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Estimated AFUDC 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 https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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