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Commitments, Contingencies and Other Items (Tables)
12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future rental commitments for right-of-way agreements
As of December 31, 2021, our future rental commitments for right-of-way agreements were as follows:
Right-of-Way
Agreements
(Dollars in millions)
2022$125 
202366 
202453 
202547 
202647 
2027 and thereafter551 
Total future minimum payments$889