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Debt - Debt Maturities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
2023 $ 603  
2024 403  
2025 554  
2026 602  
2027 and subsequent years 11,125  
Total $ 13,287 $ 12,102