Supplemental Disclosures to the Consolidated Statements of Cash Flows (Supplemental Operating and Financing Cash Flow Items) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Operating: | ||
| Contingent consideration payments for prior year acquisitions | $ (1) | $ (14) |
| Acquisition/disposition related net charges for adjustments | 11 | 9 |
| Adjustments and payments related to contingent consideration | 10 | (5) |
| Financing: | ||
| Contingent consideration for prior year acquisitions | (17) | (5) |
| Deferred consideration for prior year acquisitions | (14) | (27) |
| Payments of deferred and contingent consideration for acquisitions | (31) | (32) |
| Receipts of deferred and contingent consideration for dispositions | $ 12 | $ 0 |