Commitments and Contingencies (Planned Capital Expenditures) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($) MW
Planned Capital Expenditures [Line Items]
Guarantor obligations, current carrying value	$ 480
Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	3,780
2025	7,550
2026	9,005
2027	9,810
2028	9,840
Total	39,985
NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	6,825
2025	7,440
2026	4,500
2027	3,740
2028	1,290
Total	23,795
New Generation Expenditures [Member] | Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	850
2025	3,180
2026	4,195
2027	3,760
2028	3,645
Total	15,630
Allowance for funds used during construction (AFUDC) - remainder of 2024	70
Allowance for funds used during construction (AFUDC) - 2025	125
Allowance for funds used during construction (AFUDC) - 2026	180
Allowance for funds used during construction (AFUDC) - 2027	175
Allowance for funds used during construction (AFUDC) - 2028	180
Existing Generation Expenditures [Member] | Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	375
2025	730
2026	855
2027	1,220
2028	1,225
Total	4,405
Transmission And Distribution Expenditures [Member] | Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	2,115
2025	2,740
2026	2,845
2027	3,910
2028	4,040
Total	15,650
Allowance for funds used during construction (AFUDC) - remainder of 2024	60
Allowance for funds used during construction (AFUDC) - 2025	90
Allowance for funds used during construction (AFUDC) - 2026	100
Allowance for funds used during construction (AFUDC) - 2027	90
Allowance for funds used during construction (AFUDC) - 2028	65
Nuclear Fuel Expenditures [Member] | Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	55
2025	205
2026	300
2027	305
2028	390
Total	1,255
General And Other Expenditures [Member] | Florida Power & Light Company
Planned Capital Expenditures [Line Items]
Remainder of 2024	385
2025	695
2026	810
2027	615
2028	540
Total	3,045
Wind Expenditures [Member] | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	1,785
2025	1,280
2026	770
2027	65
2028	55
Total	$ 3,955
Planned new generation over 5 year period (in megawatts) | MW	2,765
Solar Expenditures [Member] | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	$ 2,435
2025	2,685
2026	1,330
2027	1,465
2028	0
Total	$ 7,915
Planned new generation over 5 year period (in megawatts) | MW	7,723
Other Clean Energy | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	$ 1,500
2025	1,575
2026	890
2027	750
2028	35
Total	4,750
Nuclear Expenditures [Member] | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	130
2025	440
2026	320
2027	405
2028	340
Total	1,635
Rate-Regulated Transmission [Member] | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	475
2025	1,165
2026	955
2027	780
2028	610
Total	3,985
Allowance for funds used during construction (AFUDC) - remainder of 2024	20
Allowance for funds used during construction (AFUDC) - 2025	60
Allowance for funds used during construction (AFUDC) - 2026	115
Allowance for funds used during construction (AFUDC) - 2027	70
Allowance for funds used during construction (AFUDC) - 2028	5
Other Expenditures [Member] | NEER Segment
Planned Capital Expenditures [Line Items]
Remainder of 2024	500
2025	295
2026	235
2027	275
2028	250
Total	$ 1,555