Financial Instruments, Derivatives and Fair Value Measures - Bases of Measurement (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Liabilities, at Fair Value
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt	Long-term debt
Quoted Prices in Active Markets
Assets, at Fair Value
Equity securities	$ 323	$ 326
Interest rate swap derivative financial instruments	0
Foreign currency forward exchange contracts	0	0
Total Assets	323	326
Liabilities, at Fair Value
Fair value of hedged long-term debt	0	0
Interest rate swap derivative financial instruments	0	0
Foreign currency forward exchange contracts	0	0
Contingent consideration related to business combinations	0	0
Total Liabilities	0	0
Significant Other Observable Inputs
Assets, at Fair Value
Equity securities	0	0
Interest rate swap derivative financial instruments	1
Foreign currency forward exchange contracts	390	169
Total Assets	391	169
Liabilities, at Fair Value
Fair value of hedged long-term debt	2,096	2,052
Interest rate swap derivative financial instruments	51	95
Foreign currency forward exchange contracts	131	231
Contingent consideration related to business combinations	0	0
Total Liabilities	2,278	2,378
Significant Unobservable Inputs
Assets, at Fair Value
Equity securities	0	0
Interest rate swap derivative financial instruments	0
Foreign currency forward exchange contracts	0	0
Total Assets	0	0
Liabilities, at Fair Value
Fair value of hedged long-term debt	0	0
Interest rate swap derivative financial instruments	0	0
Foreign currency forward exchange contracts	0	0
Contingent consideration related to business combinations	38	112
Total Liabilities	38	112
Outstanding Balances
Assets, at Fair Value
Equity securities	323	326
Interest rate swap derivative financial instruments	1
Foreign currency forward exchange contracts	390	169
Total Assets	714	495
Liabilities, at Fair Value
Fair value of hedged long-term debt	2,096	2,052
Interest rate swap derivative financial instruments	51	95
Foreign currency forward exchange contracts	131	231
Contingent consideration related to business combinations	38	112
Total Liabilities	$ 2,316	$ 2,490