v3.26.1
Nature of Operations and Basis of Presentation - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
segment
Dec. 31, 2025
USD ($)
Oct. 10, 2025
Business Combination [Line Items]      
Number of reportable segments | segment 4    
Restricted cash $ 7 $ 0  
Contract asset 97 89  
Revenues recognized 3,000    
Remaining performance obligations 5,800    
Capitalized contract costs $ 338 $ 349  
Minimum      
Business Combination [Line Items]      
Capitalized contract cost amortization period (in years) 2 years    
Maximum      
Business Combination [Line Items]      
Capitalized contract cost amortization period (in years) 5 years    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01 | Minimum      
Business Combination [Line Items]      
Remaining performance obligation percentage 50.00%    
Period of recognition for remaining performance obligation 12 months    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01 | Maximum      
Business Combination [Line Items]      
Remaining performance obligation percentage 75.00%    
Period of recognition for remaining performance obligation 24 months    
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%
Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Spinoff | Mobility Global      
Business Combination [Line Items]      
Subsidiary shares distributed (as a percent) 100.00%