Income Taxes - Components of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Federal:
Current	$ 194	$ 208	$ 507
Deferred	(1,248)	(150)	368
Total federal	(1,054)	58	875
State:
Current	78	126	161
Deferred	174	155	(30)
Total state	252	281	131
Total income taxes	(802)	339	1,006
FPL
Federal:
Current	121	252	990
Deferred	288	422	(179)
Total federal	409	674	811
State:
Current	161	116	294
Deferred	149	180	18
Total state	310	296	312
Total income taxes	$ 719	$ 970	$ 1,123