CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	$ 55,067	$ 52,720
CURRENT ASSETS
Customer receivables, allowances	40	14
OTHER ASSETS
Decommissioning Fund Investments	5,030	4,780
Other investments ($71 related to a VIE at September 30, 2014)	1,384	1,121
Securitized storm-recovery costs	311	372
Other Assets, Noncurrent	1,938	1,426
CAPITALIZATION
Noncontrolling interests ($71 related to a VIE)	334	0
Long-term debt	24,853	23,969
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	800,000,000	800,000,000
Common Stock, Shares, Outstanding	436,000,000	435,000,000
Related to VIEs [Member]
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	4,976	5,127
OTHER ASSETS
Decommissioning Fund Investments	129
Other investments ($71 related to a VIE at September 30, 2014)	71
Securitized storm-recovery costs	190	228
CAPITALIZATION
Noncontrolling interests ($71 related to a VIE)	71	0
Long-term debt	1,077	1,207
FPL [Member]
CURRENT ASSETS
Customer receivables, allowances	9	5
OTHER ASSETS
Decommissioning Fund Investments	3,434	3,273
Securitized storm-recovery costs	311	372
Other Assets, Noncurrent	285	140
CAPITALIZATION
Noncontrolling interests ($71 related to a VIE)	71	0
Long-term debt	9,413	8,473
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	1,000	1,000
Common Stock, Shares, Outstanding	1,000	1,000
Common Stock, Shares, Issued	1,000	1,000
FPL [Member] | Related to VIEs [Member]
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	190	228
OTHER ASSETS
Decommissioning Fund Investments	129
Other Assets, Noncurrent	71
CAPITALIZATION
Long-term debt	$ 273	$ 331