v3.26.3
Segment Information - Revenue and Tangible Long-lived Assets by Geographical Areas (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue $ 2,460 $ 2,288 $ 7,338 $ 6,772  
Long-Lived Assets [1] 1,139   1,139   $ 1,182
Ireland [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 35 33 116 105  
Long-Lived Assets [1] 7   7   7
United States [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 1,157 999 3,273 2,977  
Long-Lived Assets [1] 295   295   282
United Kingdom [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 529 539 1,580 1,499  
Long-Lived Assets [1] 496   496   521
Rest of World [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 739 717 2,369 2,191  
Long-Lived Assets [1] 341   341   372
Total Foreign Countries [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 2,425 $ 2,255 7,222 $ 6,667  
Long-Lived Assets [1] $ 1,132   $ 1,132   $ 1,175
[1] Tangible long-lived assets consist of fixed assets and right-of-use (‘ROU’) assets.