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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future rental commitments for operating leases
At December 31, 2018, our future rental commitments for operating leases were as follows:
 
Operating Leases
 
(Dollars in millions)
2019
$
675

2020
443

2021
355

2022
279

2023
241

2024 and thereafter
969

Total future minimum payments (1)
$
2,962

_______________________________________________________________________________
(1)
Minimum payments have not been reduced by minimum sublease rentals of $101 million due in the future under non-cancelable subleases.
At December 31, 2019, our future rental commitments for Right-of-Way agreements were as follows:
 
Right-of-Way Agreements
 
(Dollars in millions)
2020
$
174

2021
75

2022
72

2023
63

2024
52

2025 and thereafter
464

Total future minimum payments
$
900