Segment Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Operating revenues	$ 6,069	$ 7,349	$ 11,801	$ 14,065
Operating expenses – net	4,428	4,556	8,206	8,328
Gains (losses) on disposal of businesses/assets – net	29	6	87	4
Net loss attributable to noncontrolling interests	326	231	657	532
Net income (loss) attributable to NEE	$ 1,622	2,795	$ 3,890	4,881
Deemed capital structure of NextEra Energy Resources	70.00%		70.00%
Total assets	$ 184,724		$ 184,724		$ 177,489
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues	4,389	4,774	8,224	8,693
Operating expenses – net	2,649	3,123	4,809	5,496
Total assets	95,055		95,055		91,469
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues	4,389	4,774	8,224	8,693
Operating expenses – net	2,649	3,123	4,809	5,496
Gains (losses) on disposal of businesses/assets – net	0	0	0	0
Net loss attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to NEE	1,232	1,152	2,404	2,223
Total assets	95,055		95,055		91,469
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues	1,645	2,556	3,509	5,347
Operating expenses – net	1,668	1,317	3,225	2,642
Gains (losses) on disposal of businesses/assets – net	30	(4)	94	(2)
Net loss attributable to noncontrolling interests	326	231	657	532
Net income (loss) attributable to NEE	552	1,462	1,518	2,902
Total assets	87,515		87,515		83,145
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	35	19	68	25
Operating expenses – net	111	116	172	190
Gains (losses) on disposal of businesses/assets – net	(1)	10	(7)	6
Net loss attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to NEE	(162)	$ 181	(32)	$ (244)
Total assets	$ 2,154		$ 2,154		$ 2,875