Segment Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Operating revenues		$ 5,183	$ 3,927	$ 8,073	$ 7,653
Operating expenses – net		4,236	3,410	7,925	6,481
Gains (losses) on disposal of businesses/assets – net		1	(7)	25	7
Net loss attributable to noncontrolling interests		267	184	509	352
Net income (loss) attributable to NEE		1,380	256	929	1,922
Net Income		$ 1,113	72	$ 420	1,570
Deemed capital structure of NextEra Energy Resources		70.00%		70.00%
Total assets		$ 151,770		$ 151,770		$ 140,912
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues		4,425	3,569	8,137	6,539
Operating expenses – net		3,023	2,339	5,492	4,195
Net Income	[1]	989	882	1,864	1,660
Total assets		80,758		80,758		78,067
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues		4,425	3,569	8,137	6,539
Operating expenses – net		3,023	2,339	5,492	4,195
Gains (losses) on disposal of businesses/assets – net		0	0	0
Net loss attributable to noncontrolling interests		0	0	0
Net income (loss) attributable to NEE		989	882	1,864	1,660
Total assets		80,758		80,758		78,067
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues		775	380	(24)	1,162
Operating expenses – net		1,203	1,023	2,372	2,196
Gains (losses) on disposal of businesses/assets – net		10	(5)	35	13
Net loss attributable to noncontrolling interests		267	184	509	352
Net income (loss) attributable to NEE		133	(315)	(1,366)	176
Total assets		68,011		68,011		62,113
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues		(17)	(22)	(40)	(48)
Operating expenses – net		10	48	61	90
Gains (losses) on disposal of businesses/assets – net		(9)	(2)	(10)	(6)
Net loss attributable to noncontrolling interests		0	0	0	0
Net income (loss) attributable to NEE		258	$ (311)	431	$ 86
Total assets		$ 3,001		$ 3,001		$ 732

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