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Supplemental Disclosures (Supplemental Operating and Financing Cash Flow Items) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Operating: |  |
Contingent consideration payments for prior year acquisitions | $ (38) | $ (46)
Receipt of contingent consideration for dispositions | 0 | 19
Acquisition/disposition related net charges (credits) for adjustments | 38 | 11
Adjustments and payments related to contingent consideration | 0 | (16)
Financing: |  |
Contingent consideration for prior year acquisitions | (28) | (26)
Deferred consideration related to prior year acquisitions | (116) | (84)
Payments of deferred and contingent consideration for acquisitions | (144) | (110)
Receipt of contingent consideration for dispositions | $ 3 | $ 71

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