Income Tax (Taxes Paid) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Net cash paid (received) for income tax	$ (35)	$ 0	$ 0
UNITED STATES
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Federal, after Refund Received	(38)	(2)	0
FLORIDA
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, State and Local, after Refund Received	2	1	0
State and Local Tax Jurisdiction, Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, State and Local, after Refund Received	$ 1	$ 1	$ 0