CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 5,320	$ 3,005	$ 2,762
Effective portion of net unrealized losses (net of $37 tax benefit)	0	0	(88)
Reclassification from accumulated other comprehensive income (loss) to net income (net of $13, $32 and $25 tax expense, respectively)	32	70	63
Net unrealized gains (losses) on securities still held (net of $94 and $50 tax expense and $8 tax benefit, respectively)	127	69	(7)
Reclassification from accumulated other comprehensive income (loss) to net income (net of $25, $13 and $33 tax benefit, respectively)	(36)	(18)	(37)
Defined benefit pension and other benefits plans (net of $28 tax expense, $13 and $26 tax benefit, respectively)	44	(21)	(42)
Net unrealized gains (losses) on foreign currency translation (net of $1 tax expense, $2 and $2 tax benefit, respectively)	24	(5)	(27)
Other comprehensive income related to equity method investee (net of $1 and $2 tax expense, respectively)	2	2	0
Total other comprehensive income (loss), net of tax	193	97	(138)
COMPREHENSIVE INCOME	5,513	3,102	2,624
LESS COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(46)	93	(1)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 5,559	$ 3,009	$ 2,625