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Supplemental Disclosures (Supplemental Operating and Financing Cash Flow Items) (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Operating: |  |
Contingent consideration payments for prior year acquisitions | $ (18) | $ (4)
Receipt of contingent consideration for dispositions | 0 | 18
Acquisition/disposition related net charges (credits) for adjustments | 27 | (7)
Adjustments and payments related to contingent consideration | 9 | 7
Financing: |  |
Contingent consideration for prior year acquisitions | (16) | (13)
Deferred consideration related to prior year acquisitions | (76) | (84)
Payments of deferred and contingent consideration for acquisitions | (92) | (97)
Receipt of contingent consideration for dispositions | $ 3 | $ 71

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