Long-Term Debt - Schedule of Debt (Details) $ in Millions	Dec. 31, 2021 USD ($) interestRateSwapAgreement
Long-term debt
Annual maturities of long-term debt, 2022	$ 70
Annual maturities of long-term debt, 2023	70
Annual maturities of long-term debt, 2024	4,714
Annual maturities of long-term debt, 2025	6,526
Annual maturities of long-term debt, 2026	3
Annual maturities of long-term debt, thereafter	2,940
Total debt	14,323
Estimated interest payments, 2022	770
Estimated interest payments, 2023	790
Estimated interest payments, 2024	790
Estimated interest payments, 2025	540
Estimated interest payments, 2026	200
Estimated interest payments, thereafter	320
Estimated interest payments, total	3,410
Total debt service obligation, 2022	840
Total debt service obligation, 2023	860
Total debt service obligation, 2024	5,504
Total debt service obligation, 2025	7,066
Total debt service obligation, 2026	203
Total debt service obligation, thereafter	3,260
Total debt service obligation	$ 17,733
CRC Credit Agreement
Long-term debt
Number of interest rate derivatives held \| interestRateSwapAgreement	4

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