Segment Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Operating revenues		$ 7,349	$ 5,183	$ 14,065	$ 8,073
Operating expenses – net		4,556	4,236	8,328	7,925
Gains (losses) on disposal of businesses/assets – net		6	1	4	25
Net loss attributable to noncontrolling interests		231	267	532	509
Net income (loss) attributable to NEE		2,795	1,380	4,881	929
Net Income		$ 2,564	1,113	$ 4,349	420
Deemed capital structure of NextEra Energy Resources		70.00%		70.00%
Total assets		$ 168,275		$ 168,275		$ 158,935
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues		4,774	4,425	8,693	8,137
Operating expenses – net		3,123	3,023	5,496	5,492
Net Income	[1]	1,152	989	2,223	1,864
Total assets		89,352		89,352		86,559
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues		4,774	4,425	8,693	8,137
Operating expenses – net		3,123	3,023	5,496	5,492
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		1,152	989	2,223	1,864
Total assets		89,352		89,352		86,559
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues		2,556	775	5,347	(24)
Operating expenses – net		1,317	1,203	2,642	2,372
Gains (losses) on disposal of businesses/assets – net		(4)	10	(2)	35
Net loss attributable to noncontrolling interests		231	267	532	509
Net income (loss) attributable to NEE		1,462	133	2,902	(1,366)
Total assets		77,062		77,062		70,713
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues		19	(17)	25	(40)
Operating expenses – net		116	10	190	61
Gains (losses) on disposal of businesses/assets – net		10	(9)	6	(10)
Net loss attributable to noncontrolling interests		0	0	0	0
Net income (loss) attributable to NEE		181	$ 258	(244)	$ 431
Total assets		$ 1,861		$ 1,861		$ 1,663

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