CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Total property, plant and equipment - net	$ 52,720	$ 49,413
Customer receivables, net of allowances	14	10
Securitized storm-recovery costs	372	461
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized (in shares)	800,000,000	800,000,000
Common stock, outstanding (in shares)	435,000,000	424,000,000
Long-term debt	23,969	23,177
Related to VIEs [Member]
Total property, plant and equipment - net	5,127	4,487
Securitized storm-recovery costs	228	274
Long-term debt	1,207	1,369
FPL [Member]
Customer receivables, net of allowances	5	7
Securitized storm-recovery costs	372	461
Common stock, authorized (in shares)	1,000	1,000
Common stock, par value	$ 0	$ 0
Common stock, issued (in shares)	1,000	1,000
Common stock, outstanding (in shares)	1,000	1,000
Long-term debt	8,473	8,329
FPL [Member] | Related to VIEs [Member]
Securitized storm-recovery costs	228	274
Long-term debt	$ 331	$ 386