v3.26.1
Segment Information (Tables)
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Schedule of Segment Information
The following tables present selected financial information with respect to our single operating segment:

Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
(Dollars in millions)
Revenue$2,805 3,092 5,704 6,274 
Operating expenses
Cost of services and products related to network expenses813 899 1,650 1,917 
Headcount costs591 649 1,234 1,268 
Non-headcount costs772 819 1,508 1,534 
Net loss (gain) on sale of business31 — (565)— 
Stock-based compensation18 12 31 22 
Depreciation and amortization668 688 1,332 1,401 
Goodwill impairment— 628 — 628 
Total operating expenses
2,893 3,695 5,190 6,770 
Total operating (loss) income(88)(603)514 (496)
Total other expense, net(167)(546)(592)(898)
Loss before income taxes(255)(1,149)(78)(1,394)
Income tax (benefit) expense(54)(234)323 (278)
Net loss$(201)(915)(401)(1,116)

Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
(Dollars in millions)
Revenue$2,805 3,092 5,704 6,274 
Operating expenses
Cost of services and products related to network expenses813 899 1,650 1,917 
Headcount costs591 649 1,234 1,268 
Non-headcount costs772 819 1,508 1,534 
Net loss (gain) on sale of business31 — (565)— 
Adjusted EBITDA
$598 725 1,877 1,555 
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
(Dollars in millions)
Net loss
$(201)(915)(401)(1,116)
Stock-based compensation18 12 31 22 
Depreciation and amortization668 688 1,332 1,401 
Goodwill impairment— 628 — 628 
Total other expense, net167 546 592 898 
Income tax (benefit) expense(54)(234)323 (278)
Adjusted EBITDA
$598 725 1,877 1,555