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Commitments and Contingencies - Commitments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Leases      
2022 $ 110    
2023 90    
2024 77    
2025 62    
2026 45    
Thereafter 312    
Total 696    
Other commitments      
2022 327    
2023 307    
2024 298    
2025 282    
2026 211    
Thereafter 624    
Total 2,049    
Total      
2022 437    
2023 397    
2024 375    
2025 344    
2026 256    
Thereafter 936    
Total 2,745    
Expenses associated with agreements $ 270 $ 265 $ 236
Agreements to store at facilities or transport on pipelines owned by equity method investees | Equity Method Investees      
Total      
Ownership interest in unconsolidated entity 50.00%