Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Property and Equipment (Details)

v3.25.4
Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Gross $ 1,087 $ 1,007  
Depreciation 71 62 $ 79
Land      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Gross 283 262  
Buildings and improvements      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Gross 568 538  
Support equipment      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Gross $ 236 205  
Construction in progress      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Gross   $ 2  
Minimum | Buildings and improvements      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Useful Life 3 years    
Minimum | Support equipment      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Useful Life 3 years    
Maximum | Buildings and improvements      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Useful Life 40 years    
Maximum | Support equipment      
Summary of Significant Accounting Policies      
Property, Plant and Equipment, Useful Life 15 years