CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	$ 59,835	$ 55,705
CURRENT ASSETS
Customer receivables, allowances	13	27
OTHER ASSETS
Securitized storm-recovery costs	225	294
CAPITALIZATION
Long-term debt	$ 25,604	$ 24,367
CURRENT LIABILITIES
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	461,000,000	443,000,000
Related to VIEs [Member]
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	$ 6,657	$ 6,414
OTHER ASSETS
Securitized storm-recovery costs	138	180
CAPITALIZATION
Long-term debt	1,197	1,077
FPL [Member]
CURRENT ASSETS
Customer receivables, allowances	6	5
OTHER ASSETS
Securitized storm-recovery costs	225	294
CAPITALIZATION
Long-term debt	$ 9,037	$ 9,413
CURRENT LIABILITIES
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	$ 138	$ 180
CAPITALIZATION
Long-term debt	$ 210	$ 273