CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
NET INCOME	$ 881	$ 664	$ 2,252	$ 1,585
Net unrealized gains (losses) on cash flow hedges:
Effective portion of net unrealized losses (net of $55, $18, $55 and $36 tax benefit, respectively)	(97)	(33)	(107)	(64)
Reclassification from accumulated other comprehensive loss to net income (net of less than $1, $26, $16 and $32 tax expense, respectively)	11	45	50	56
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held (net of $30, $1, $26 tax benefit and $30 tax expense, respectively)	(38)	(12)	(33)	40
Reclassification from accumulated other comprehensive loss to net income (net of $7, $4, $16 and $23 tax benefit, respectively)	(8)	(6)	(21)	(35)
Defined benefit pension and other benefits plans (net of $10 tax benefit and $3 tax expense, respectively)	0	0	(16)	5
Net unrealized losses on foreign currency translation (net of $21, $3, $4 and $3 tax benefit, respectively)	(33)	(6)	(5)	(6)
Other comprehensive loss related to equity method investee (net of $2, $1 and $3 tax benefit, respectively)	(3)	0	(2)	(5)
Total other comprehensive loss, net of tax	(168)	(12)	(134)	(9)
COMPREHENSIVE INCOME	713	652	2,118	1,576
LESS COMPREHENSIVE LOSS (INCOME) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	1	(4)	(1)	(4)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 714	$ 648	$ 2,117	$ 1,572