Supplemental Disclosures to the Consolidated Statements of Cash Flows (Supplemental Operating and Financing Cash Flow Items) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating:
Contingent consideration payments for prior year acquisitions	$ (92)	$ (41)	$ (38)
Receipt of contingent consideration for dispositions	0	1	0
Acquisition/disposition related net charges for adjustments	15	29	49
Adjustments and payments related to contingent consideration	(77)	(11)	11
Financing:
Contingent consideration for prior year acquisitions	(74)	(135)	(32)
Deferred consideration for prior year acquisitions	(39)	(67)	(126)
Payments of deferred and contingent consideration for acquisitions	(113)	(202)	(158)
Receipts of contingent consideration for dispositions	$ 1	$ 2	$ 3