Long-Term Debt - Schedule of Maturities of Long-Term Debt (Details) $ in Millions	Dec. 31, 2021 USD ($)
Debt Disclosure [Abstract]
2022	$ 31
2023	14
2024	10
2025	1,471
2026	2,109
Thereafter	8,940
Total maturities	12,575
Less: Deferred debt issuance costs	(421)
Plus: Unamortized note premium	(14)
Total long-term debt	$ 12,140

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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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