Commitments and Contingencies (Long-term Purchase Commitment) (Details) (USD $)					3 Months Ended		6 Months Ended														6 Months Ended				0 Months Ended
	Jun. 30, 2014 Corporate and Other [Member]		Jun. 30, 2014 NextEra Energy Resources [Member]	Jun. 30, 2014 NextEra Energy Resources [Member] Contract Group 1 [Member]	Jun. 30, 2014 FPL [Member]	Jun. 30, 2013 FPL [Member]	Jun. 30, 2014 FPL [Member]	Jun. 30, 2013 FPL [Member]	Jun. 30, 2014 FPL [Member] Jea And Southern Subsidiaries Contract Range 1 [Member] MW	Jun. 30, 2014 FPL [Member] Jea And Southern Subsidiaries Contract Range 2 [Member] MW	Jun. 30, 2014 FPL [Member] Qualifying Facilities Contracts [Member] MW	Jun. 30, 2014 FPL [Member] Natural Gas, Coal, And Oil, Including Transportation And Storage [Member]	Jun. 30, 2014 FPL [Member] Qualifying Facilities Capacity Payments [Member]		Jun. 30, 2014 FPL [Member] Jea And Southern Subsidiaries Capacity Payments [Member]		Jun. 30, 2014 FPL [Member] Natural Gas, Including Transportation And Storage, Contract Minimum Payments [Member]		Jun. 30, 2014 FPL [Member] Coal Contract Minimum Payments [Member]		Jun. 30, 2014 Minimum [Member] NextEra Energy Resources [Member] Contract Group 1 [Member]	Jun. 30, 2014 Minimum [Member] NextEra Energy Resources [Member] Contract Group 2 [Member]	Jun. 30, 2014 Maximum [Member] NextEra Energy Resources [Member] Contract Group 1 [Member]	Jun. 30, 2014 Maximum [Member] NextEra Energy Resources [Member] Contract Group 2 [Member]	May 01, 2017 Scenario, Forecast [Member] FPL [Member] Sabal Trail and Florida Southeast Connection [Member]	Jun. 30, 2014 Sabal Trail Transmission, LLC [Member] Corporate and Other [Member]	Jun. 30, 2014 Sabal Trail and Florida Southeast Connection [Member] FPL [Member] Natural Gas, Including Transportation And Storage, Contract Minimum Payments [Member]	Jun. 30, 2014 Sabal Trail Transmission, LLC [Member] Natural Gas Expenditures [Member] Corporate and Other [Member]
Long-term Commitment (Excluding Unconditional Purchase Obligation) [Abstract]
Minimum annual purchase commitments (in megawatts)									1,330	375
Time period under contracts																									25 years
Minimum total purchase commitments (in megawatts)											705
Expiration dates of purchase commitments									through 2015	through 2021	2024 through 2034	through 2036									August 2014	August 2014	2030	2033
Equity Method Investment, Ownership Percentage																										33.00%
Long Term Purchase Commiment, Initial Quantity Per Day																									400,000
Long Term Purchase Commitment, Increased Volume Required																									600,000
Commitment amount included in capital expenditures				$ 3,000,000,000
Required capacity and/or minimum payments [Abstract]
Remainder of 2014	95,000,000	[1],[2]	1,430,000,000										140,000,000	[3]	110,000,000	[3]	995,000,000	[4],[5]	35,000,000	[4]
2015	250,000,000	[1],[2]	1,085,000,000										290,000,000	[3]	195,000,000	[3]	1,045,000,000	[4],[5]	40,000,000	[4]
2016	510,000,000	[1],[2]	480,000,000										250,000,000	[3]	70,000,000	[3]	685,000,000	[4],[5]	20,000,000	[4]
2017	50,000,000	[1],[2]	115,000,000										255,000,000	[3]	50,000,000	[3]	745,000,000	[4],[5]	0	[4]							200,000,000
2018	25,000,000	[1],[2]	120,000,000										260,000,000	[3]	10,000,000	[3]	825,000,000	[4],[5]	0	[4]							295,000,000
Thereafter	70,000,000	[1],[2]	475,000,000										1,965,000,000	[3]	5,000,000	[3]	14,520,000,000	[4],[5]	0	[4]							8,535,000,000
Capacity payments					123,000,000	119,000,000	246,000,000	244,000,000
Energy payments					75,000,000	86,000,000	132,000,000	109,000,000
Commitment to invest	50,000,000
Joint Obligations of NEECH and NEER Included in NEER Amounts, remainder of current year	195,000,000
Joint Obligations Of NEECH and NEER included NEER Amounts due in the second year	200,000,000
commitment to invest in pipeline																												$ 900,000,000

[1] Excludes approximately $195 million and $200 million in 2014 and 2015, respectively, of joint obligations of NEECH and NEER which are included in the NEER amounts above.

[2] Includes an approximately $50 million commitment to invest in clean power and technology businesses through 2021.

[3] Capacity charges under these contracts, substantially all of which are recoverable through the capacity cost recovery clause, totaled approximately $123 million and $119 million for the three months ended June 30, 2014 and 2013, respectively, and approximately $246 million and $244 million for the six months ended June 30, 2014 and 2013, respectively. Energy charges under these contracts, which are recoverable through the fuel clause, totaled approximately $75 million and $86 million for the three months ended June 30, 2014 and 2013, respectively

[4] Recoverable through the fuel clause.

[5] Includes approximately $200 million, $295 million and $8,535 million in 2017, 2018 and thereafter, respectively, of firm commitments, subject to certain conditions as noted above, related to the natural gas transportation agreements with Sabal Trail and Florida Southeast Connection.