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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
At December 31, 2021, our future rental commitments and Right-of-Way agreements were as follows:
 Right-of-Way Agreements
 (Dollars in millions)
2022$246 
202399 
202484 
202574 
202671 
2027 and thereafter962 
Total future minimum payments$1,536