Other Financial Data - Schedule of Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Movement ofAccounts Receivable, Allowance for Credit Loss, Current [Roll Forward] | ||||
| Balance at beginning of period | $ 82 | $ 79 | $ 74 | $ 75 |
| Provision | 5 | 4 | 18 | 10 |
| Accounts written off, net of recoveries | (4) | (9) | (8) | (15) |
| Foreign currency translation and other | 0 | 0 | (1) | 4 |
| Balance at end of period | $ 83 | $ 74 | $ 83 | $ 74 |