v3.26.3
Restructuring - Schedule of Changes in Balance Sheet Position of Employee Related Restructuring Reserves (Detail) - Restructuring Employee Related - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Restructuring Cost and Reserve [Line Items]        
Reserve at beginning of the period $ 122 $ 117 $ 82 $ 151
Provision - charge 7 2 80 4
Provision - reversal (0) 0 (0) (0)
Cash payments (17) (17) (48) (67)
Translation difference (0) (0) (3) 14
Reserve at end of the period $ 111 $ 101 $ 111 $ 101