Long-Term Debt (Scheduled Debt Payments) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Long-Term Debt [Abstract]
2025	$ 29
2026	29
2027	29
2028	29
2029	342
Thereafter	760
Total future scheduled debt payments	1,218
Less unamortized debt issuance costs	(17)
Less unamortized discount	(2)
Long-term debt	$ 1,199	$ 593

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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