v3.26.1
Investment in Amlogenyx Inc. - Changes in the Carrying Value of Noncontrolling Interest (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Investments, All Other Investments [Abstract]    
Beginning Balance $ 7 $ 7
Changes and adjustments 0 0
Ending Balance $ 7 $ 7