v3.26.3
Segment Information - Additional Information (Detail)
9 Months Ended
Sep. 30, 2026
segment
state
Jan. 20, 2026
state
Segment Reporting [Line Items]    
Number of reportable segments | segment 2  
Number of states in which wireline services are provided   31
Consumer    
Segment Reporting [Line Items]    
Number of states in which wireline services are provided 31