Supplemental Disclosures (Supplemental Operating and Financing Cash Flow Items) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Operating: | ||
| Contingent consideration payments for prior year acquisitions | $ (90) | $ (41) |
| Receipt of contingent consideration for dispositions | 0 | 1 |
| Acquisition/disposition related net charges for adjustments | 15 | 17 |
| Adjustments and payments related to contingent consideration | (75) | (23) |
| Financing: | ||
| Contingent consideration for prior year acquisitions | (71) | (134) |
| Deferred consideration related to prior year acquisitions | (10) | (51) |
| Payments of deferred and contingent consideration for acquisitions | (81) | (185) |
| Receipts of contingent consideration for dispositions | $ 1 | $ 2 |