Capital Structure - Schedule of Debt Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Total debt outstanding by maturity:
2024	$ 350
2025	600
2026	550
2027	0
2028	0
Thereafter	6,491
Total long-term debt principal	$ 7,991	$ 7,991

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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