CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 3,246	$ 2,827	$ 2,369
Reclassification of unrealized losses on cash flow hedges from accumulated other comprehensive income (loss) to net income	6	6	12
Net unrealized gains (losses) on securities still held	(84)	(11)	12
Reclassification from accumulated other comprehensive income (loss) to net income	10	(4)	(3)
Defined benefit pension and other benefits plans:
Net unrealized gain (loss) and unrecognized prior service benefit (cost)	(133)	95	37
Reclassification from accumulated other comprehensive income (loss) to net income	7	5	2
Net unrealized gains (losses) on foreign currency translation	(44)	(1)	13
Other comprehensive income related to equity method investee	1	1	1
Total other comprehensive income (loss), net of tax	(237)	91	74
IMPACT OF DISPOSAL OF A BUSINESS	0	0	10
COMPREHENSIVE INCOME	3,009	2,918	2,453
COMPREHENSIVE LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	920	747	543
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 3,929	$ 3,665	$ 2,996