v3.26.1
Fair Value Measurements (Changes in Fair Value Of Level 3 Liabilities Representing Acquisition Related Contingent Consideration) (Details) - Contingent Consideration - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period $ 266 $ 160 $ 268 $ 161
Net additions 22 32 23 37
Payments (78) (7) (96) (26)
Revaluation impact 10 21 21 30
Other (4) 1 0 5
Balance at end of period $ 216 $ 207 $ 216 $ 207