Financial Instruments, Derivatives and Fair Value Measures - Bases of Measurement (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
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	$ 326	$ 307
Foreign currency forward exchange contracts	0	0
Total Assets	326	307
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
Foreign currency forward exchange contracts	169	412
Total Assets	169	412
Liabilities, at Fair Value
Fair value of hedged long-term debt	2,052	2,691
Interest rate swap derivative financial instruments	95	156
Foreign currency forward exchange contracts	231	226
Contingent consideration related to business combinations	0	0
Total Liabilities	2,378	3,073
Significant Unobservable Inputs
Assets, at Fair Value
Equity securities	0	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	112	130
Total Liabilities	112	130
Outstanding Balances
Assets, at Fair Value
Equity securities	326	307
Foreign currency forward exchange contracts	169	412
Total Assets	495	719
Liabilities, at Fair Value
Fair value of hedged long-term debt	2,052	2,691
Interest rate swap derivative financial instruments	95	156
Foreign currency forward exchange contracts	231	226
Contingent consideration related to business combinations	112	130
Total Liabilities	$ 2,490	$ 3,203

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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