v3.26.1
Nature of Operations and Basis of Presentation - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2026
USD ($)
Segment
Dec. 31, 2025
USD ($)
Oct. 10, 2025
Business Combination [Line Items]          
Number of reportable segments   5 5    
Restricted cash $ 0 $ 0 $ 0 $ 0  
Contract asset 107 107 107 89  
Revenues recognized 1,800        
Capitalized contract costs $ 349 $ 349 $ 349 $ 349  
12 months | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01          
Business Combination [Line Items]          
Remaining performance obligation percentage 50.00% 50.00% 50.00%    
24 months | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01          
Business Combination [Line Items]          
Remaining performance obligation percentage 75.00% 75.00% 75.00%    
Minimum          
Business Combination [Line Items]          
Capitalized contract cost amortization period (in years) 2 years 2 years 2 years    
Maximum          
Business Combination [Line Items]          
Capitalized contract cost amortization period (in years) 5 years 5 years 5 years    
OSTTRA | Corporate Joint Venture          
Business Combination [Line Items]          
Ownership interest of subsidiary (as a percent)         50.00%
Noncontrolling interest ownership by noncontrolling owners (as a percent)         50.00%