Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Operating revenues	$ 5,731	$ 6,716
Operating expenses – net	3,776	3,772
Gains (losses) on disposal of businesses/assets – net	58	(2)
Net loss attributable to noncontrolling interests	331	301
Net income (loss) attributable to NEE	$ 2,268	2,086
Deemed capital structure of NextEra Energy Resources	70.00%
Total assets	$ 179,950		$ 177,489
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues	3,834	3,919
Operating expenses – net	2,158	2,373
Total assets	93,117		91,469
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues		3,919
Operating expenses – net	2,158	2,373
Gains (losses) on disposal of businesses/assets – net	0	0
Net loss attributable to noncontrolling interests	0	0
Net income (loss) attributable to NEE	1,172	1,070
Total assets	93,117		91,469
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues	1,864	2,792
Operating expenses – net	1,556	1,325
Gains (losses) on disposal of businesses/assets – net	63	1
Net loss attributable to noncontrolling interests	331	301
Net income (loss) attributable to NEE	966	1,440
Total assets	84,916		83,145
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	33	5
Operating expenses – net	62	74
Gains (losses) on disposal of businesses/assets – net	(5)	(3)
Net loss attributable to noncontrolling interests	0	0
Net income (loss) attributable to NEE	130	$ (424)
Total assets	$ 1,917		$ 2,875