Segment Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Operating revenues		$ 6,716	$ 2,890
Operating expenses – net		3,772	3,688
Gains (losses) on disposal of businesses/assets – net		(2)	23
Net loss attributable to noncontrolling interests		301	242
Net income (loss) attributable to NEE		2,086	(451)
Net Income		$ 1,785	(693)
Deemed capital structure of NextEra Energy Resources		70.00%
Total assets		$ 165,357		$ 158,935
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues		3,919	3,712
Operating expenses – net		2,373	2,469
Net Income	[1]	1,070	875
Total assets		88,025		86,559
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues		3,919	3,712
Operating expenses – net		2,373	2,469
Gains (losses) on disposal of businesses/assets – net		0	0
Net loss attributable to noncontrolling interests		0	0
Net income (loss) attributable to NEE		1,070	875
Total assets		88,025		86,559
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues		2,792	(800)
Operating expenses – net		1,325	1,168
Gains (losses) on disposal of businesses/assets – net		1	25
Net loss attributable to noncontrolling interests		301	242
Net income (loss) attributable to NEE		1,440	(1,499)
Total assets		74,846		70,713
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues		5	(22)
Operating expenses – net		74	51
Gains (losses) on disposal of businesses/assets – net		(3)	(2)
Net loss attributable to noncontrolling interests		0	0
Net income (loss) attributable to NEE		(424)	$ 173
Total assets		$ 2,486		$ 1,663

[1] FPL's comprehensive income is the same as reported net income.