Summary of Significant Accounting and Reporting Policies (Regulatory Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current:
Early retirement of generation facilities and transmission assets	$ 162	$ 160
Deferred clause and franchise expenses(b)	98	1,014
Storm restoration costs	1,019	35
Other	138	251
Total	1,417	1,460
Noncurrent:
Early retirement of generation facilities and transmission assets	2,037	2,166
Accrued asset removal costs	1,398	1,021
Other	1,393	1,614
Total	4,828	4,801
Current:
Deferred clause revenues	224	330
Other	55	10
Total	279	340
Noncurrent:
Asset retirement obligation regulatory expense difference	4,809	4,066
Accrued asset removal costs	745	701
Deferred taxes	3,594	3,890
Other	1,487	1,392
Total	10,635	10,049
FPL [Member]
Current:
Early retirement of generation facilities and transmission assets	162	160
Deferred clause and franchise expenses(b)	98	1,014
Storm restoration costs	1,019	35
Other	126	222
Total	1,405	1,431
Noncurrent:
Early retirement of generation facilities and transmission assets	2,037	2,166
Accrued asset removal costs	1,373	1,021
Other	1,054	1,156
Total	4,464	4,343
Current:
Deferred clause revenues	224	330
Other	49	5
Total	273	335
Noncurrent:
Asset retirement obligation regulatory expense difference	4,809	4,066
Accrued asset removal costs	698	660
Deferred taxes	3,491	3,786
Other	1,467	1,381
Total	$ 10,465	$ 9,893