v3.25.4
Accounting Policies - Narrative (Details)
 12 Months Ended
Dec. 31, 2025
USD ($)
reporting_unit
segment
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Oct. 10, 2025
Property, Plant and Equipment [Line Items]        
Number of reportable segments | segment 5      
Total revenue $ 15,336,000,000 $ 14,208,000,000 $ 12,497,000,000  
Contract assets 89,000,000 69,000,000    
Revenues recognized 3,800,000,000      
Capitalized contract costs 349,000,000 291,000,000    
Market value of cash and cash equivalents 1,745,000,000 1,666,000,000    
Restricted cash 0 0    
Gross deferred technology costs 419,000,000 338,000,000    
Accumulated amortization of deferred technology costs 237,000,000 204,000,000    
Fair value of our long-term debt borrowings $ 11,300,000,000 10,000,000,000    
Option to extend lease period (in years) 12 years      
Number of reporting units | reporting_unit 5      
Impairment of intangible assets $ 0 0 0  
Goodwill impairment loss 0 0 0  
Advertising expense 252,000,000 229,000,000 209,000,000  
OSTTRA | Corporate Joint Venture        
Property, Plant and Equipment [Line Items]        
Ownership interest of subsidiary (as a percent)       50.00%
Noncontrolling interest ownership by noncontrolling owners (as a percent)       50.00%
Non-transaction        
Property, Plant and Equipment [Line Items]        
Total revenue 2,054,000,000 1,858,000,000 1,730,000,000  
Elimination        
Property, Plant and Equipment [Line Items]        
Total revenue (200,000,000) (186,000,000) (177,000,000)  
Elimination | Non-transaction        
Property, Plant and Equipment [Line Items]        
Total revenue $ (200,000,000) $ (186,000,000) $ (177,000,000)  
Minimum        
Property, Plant and Equipment [Line Items]        
Capitalized contract cost amortization period (in years) 2 years      
Remaining lease terms (in years) 1 year      
Minimum | Software and Software Development Costs        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 3 years      
Minimum | Building and Improvements        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 15 years      
Minimum | Equipment        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 2 years      
Maximum        
Property, Plant and Equipment [Line Items]        
Capitalized contract cost amortization period (in years) 5 years      
Remaining lease terms (in years) 15 years      
Maximum | Software and Software Development Costs        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 7 years      
Maximum | Building and Improvements        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 40 years      
Maximum | Equipment        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 10 years