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Operating Information by Segment and Geographic Area - External Revenue and Total Assets by Geographic Area (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue $ 3,368 $ 4,094 $ 11,327 $ 12,055
North America        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue 2,921 2,877 8,331 8,177
Asia Pacific (includes Australia)        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue (365) 475 257 1,476
Europe        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue 648 590 2,212 1,923
Central and South America        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue 127 113 412 315
Middle East and Africa        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue $ 37 $ 39 $ 115 $ 164