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Commitments, Contingencies and Other Items (Tables)
 12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future rental commitments for right-of-way agreements
At December 31, 2022, our future rental commitments and Right-of-Way ("ROW") agreements were as follows:
 Future Rental Commitments and ROW Agreements
 (Dollars in millions)
2023$183 
202476 
202566 
202662 
202760 
2028 and thereafter667 
Total future minimum payments$1,114