XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Commitments, Contingencies and Other Items (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Right-of-way | At December 31, 2023, our future rental commitments and Right-of-Way ("ROW") agreements were as follows:
| Future Rental Commitments and ROW Agreements
| (Dollars in millions)
2024 | $ | 26 |
2025 | 2 |
2026 | 2 |
2027 | 2 |
2028 | 2 |
2029 and thereafter | 25 |
Total future minimum payments | $ | 59 |

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration