Financial Instruments, Derivatives and Fair Value Measures - Amounts and Location of Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Fair Value - Assets	$ 367	$ 412
Fair Value - Liabilities	750	828
Designated as Hedging Instrument | Interest Rate Swaps | Deferred income taxes and other assets | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Fair Value - Assets	0	0
Designated as Hedging Instrument | Interest Rate Swaps | Prepaid expenses and other receivables, current | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Fair Value - Assets	0	0
Designated as Hedging Instrument | Interest Rate Swaps | Post-employment obligations, deferred income taxes and other long-term liabilities | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	158	136
Designated as Hedging Instrument | Interest Rate Swaps | Other accrued liabilities | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	13	20
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Prepaid expenses and other receivables
Derivatives, Fair Value [Line Items]
Fair Value - Assets	254	304
Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	63	96
Designated as Hedging Instrument | Debt | Long-term debt | Net Investment Hedging
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	401	446
Not Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Prepaid expenses and other receivables
Derivatives, Fair Value [Line Items]
Fair Value - Assets	113	108
Not Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	$ 115	$ 130