Financial Instruments, Derivatives and Fair Value Measures - Bases of Measurement (Details) - Fair Value, Recurring - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 293	$ 402
Interest rate swap derivative financial instruments		87
Foreign currency forward exchange contracts	908	292
Total Assets	1,201	781
Fair value of hedged long-term debt	2,685	2,926
Interest rate swap derivative financial instruments	166
Foreign currency forward exchange contracts	207	97
Contingent consideration related to business combinations	138	130
Total Liabilities	3,196	3,153
Quoted Prices in Active Markets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	293	402
Interest rate swap derivative financial instruments		0
Foreign currency forward exchange contracts	0	0
Total Assets	293	402
Fair value of hedged long-term debt	0	0
Interest rate swap derivative financial instruments	0
Foreign currency forward exchange contracts	0	0
Contingent consideration related to business combinations	0	0
Total Liabilities	0	0
Significant Other Observable Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0	0
Interest rate swap derivative financial instruments		87
Foreign currency forward exchange contracts	908	292
Total Assets	908	379
Fair value of hedged long-term debt	2,685	2,926
Interest rate swap derivative financial instruments	166
Foreign currency forward exchange contracts	207	97
Contingent consideration related to business combinations	0	0
Total Liabilities	3,058	3,023
Significant Unobservable Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0	0
Interest rate swap derivative financial instruments		0
Foreign currency forward exchange contracts	0	0
Total Assets	0	0
Fair value of hedged long-term debt	0	0
Interest rate swap derivative financial instruments	0
Foreign currency forward exchange contracts	0	0
Contingent consideration related to business combinations	138	130
Total Liabilities	$ 138	$ 130

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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Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments.

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