CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
NET INCOME	$ 720	$ 492	$ 1,371	$ 921
Net unrealized gains (losses) on cash flow hedges:
Effective portion of net unrealized gains (losses) (net of $26 tax expense, $3, less than $1, and $14 tax benefit, respectively)	40	(7)	(11)	(25)
Reclassification from accumulated other comprehensive income to net income (net of $12 tax expense, $3 tax benefit, $16 and $2 tax expense, respectively)	22	(4)	39	5
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held (net of $5 tax benefit, $22, $4 and $31 tax expense, respectively)	(7)	40	5	53
Reclassification from accumulated other comprehensive income to net income (net of $2, $3, $9 and $18 tax benefit, respectively)	(3)	(5)	(13)	(30)
Defined benefit pension and other benefits plans (net of $10 tax benefit and $3 tax expense, respectively)	0	0	(16)	5
Net unrealized gains on foreign currency translation (net of $9, $8 and 17 tax expense, respectively)	15	17	29	0
Other comprehensive income (loss) related to equity method investee (net of $1 tax expense, $2 tax benefit, less than $1 tax expense and $3 tax benefit, respectively)	3	(3)	1	(5)
Total other comprehensive income, net of tax	70	38	34	3
COMPREHENSIVE INCOME	790	530	1,405	924
LESS COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(5)	0	(3)	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 785	$ 530	$ 1,402	$ 924