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Commitments, Contingencies and Other Items - Right-of-Way Agreements (Details) - Right-of-Way Agreements
$ in Millions
Dec. 31, 2021
USD ($)
Other Commitments [Line Items]  
2022 $ 125
2023 66
2024 53
2025 47
2026 47
2027 and thereafter 551
Total future minimum payments $ 889