CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,332	$ 5,698	$ 6,282
Reclassification of unrealized losses (gains) on cash flow hedges from accumulated other comprehensive income (loss) to net income	(4)	1	2
Net unrealized gains (losses) on securities still held	31	(3)	17
Reclassification from accumulated other comprehensive income (loss) to net income	6	5	13
Defined benefit pension and other benefits plans:
Net unrealized gain (loss) and unrecognized prior service benefit (cost)	52	60	21
Reclassification from accumulated other comprehensive income (loss) to net income	0	0	1
Net unrealized gains (losses) on foreign currency translation	29	(27)	13
Other comprehensive income related to equity method investee	3	1	1
Total other comprehensive income, net of tax	117	37	68
COMPREHENSIVE INCOME	5,449	5,735	6,350
COMPREHENSIVE LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	1,503	1,238	1,025
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 6,952	$ 6,973	$ 7,375