Segment Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Operating revenues		$ 6,719	$ 4,370	$ 14,792	$ 12,023
Operating expenses – net		5,028	4,004	12,953	10,485
Gains (losses) on disposal of businesses/assets – net		171	13	196	20
Net loss attributable to noncontrolling interests		137	143	646	495
Net income (loss) attributable to NEE		1,696	447	2,625	2,369
Net Income		$ 1,559	304	$ 1,979	1,874
Deemed capital structure of NextEra Energy Resources		70.00%		70.00%
Total assets		$ 156,409		$ 156,409		$ 140,912
Florida Power & Light Company
Segment Reporting Information [Line Items]
Operating revenues		5,075	4,134	13,211	10,673
Operating expenses – net		3,568	2,868	9,059	7,063
Net Income	[1]	1,074	927	2,939	2,586
Total assets		85,153		85,153		78,067
Operating Segments [Member] | FPL Segment
Segment Reporting Information [Line Items]
Operating revenues		5,075	4,134	13,211	10,673
Operating expenses – net		3,568	2,868	9,060	7,064
Gains (losses) on disposal of businesses/assets – net		0	0	1	1
Net loss attributable to noncontrolling interests		0	0	0	0
Net income (loss) attributable to NEE		1,074	927	2,939	2,586
Total assets		85,153		85,153		78,067
Operating Segments [Member] | NEER Segment
Segment Reporting Information [Line Items]
Operating revenues		1,652	258	1,627	1,420
Operating expenses – net		1,341	1,093	3,712	3,289
Gains (losses) on disposal of businesses/assets – net		173	12	208	25
Net loss attributable to noncontrolling interests		137	143	646	495
Net income (loss) attributable to NEE		655	(428)	(711)	(252)
Total assets		69,854		69,854		62,113
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating revenues		(8)	(22)	(46)	(70)
Operating expenses – net		119	43	181	132
Gains (losses) on disposal of businesses/assets – net		(2)	1	(13)	(6)
Net loss attributable to noncontrolling interests		0	0	0	0
Net income (loss) attributable to NEE		(33)	$ (52)	397	$ 35
Total assets		$ 1,402		$ 1,402		$ 732

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