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Commitments, Contingencies and Other Items (Tables)
 12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Right-of-way
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$20 
20246 
20256 
20265 
20274 
2028 and thereafter34 
Total future minimum payments
$75