CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
NET INCOME	$ 1,129	$ 1,139	$ 1,436	$ 1,745
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Reclassification of unrealized losses on cash flow hedges from accumulated other comprehensive income (loss) to net income	3	8	5	18
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held	14	7	6	15
Reclassification from accumulated other comprehensive income (loss) to net income	0	(1)	(1)	1
Net unrealized gain (loss) and unrecognized prior service benefit (cost)	0	(1)	0	(53)
Reclassification from accumulated other comprehensive income (loss) to net income	(2)	0	1	(1)
Net unrealized gains (losses) on foreign currency translation	17	8	(18)	18
Other comprehensive income (loss) related to equity method investees	0	1	0	0
Total other comprehensive income (loss), net of tax	32	22	(7)	(2)
IMPACT OF DISPOSAL OF A BUSINESS (NET OF $19 TAX BENEFIT)	0	0	10	0
COMPREHENSIVE INCOME	1,161	1,161	1,439	1,743
COMPREHENSIVE LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	143	95	262	169
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 1,304	$ 1,256	$ 1,701	$ 1,912