v3.26.1
Segment Information - Revenue and Tangible Long-lived Assets by Geographical Areas (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue $ 2,466 $ 2,261 $ 4,878 $ 4,484  
Long-Lived Assets [1] 1,149   1,149   $ 1,182
Ireland [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 42 37 81 72  
Long-Lived Assets [1] 7   7   7
United States [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 1,134 1,046 2,116 1,978  
Long-Lived Assets [1] 290   290   282
United Kingdom [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 550 509 1,051 960  
Long-Lived Assets [1] 510   510   521
Rest of World [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 740 669 1,630 1,474  
Long-Lived Assets [1] 342   342   372
Total Foreign Countries [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 2,424 $ 2,224 4,797 $ 4,412  
Long-Lived Assets [1] $ 1,142   $ 1,142   $ 1,175
[1] Tangible long-lived assets consist of fixed assets and right-of-use (‘ROU’) assets.