Financial Instruments, Derivatives and Fair Value Measures - Carrying Value and Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Long-term Investment Securities:	$ 818	$ 799
Receivable position	170	169
(Payable) position	(614)	(745)
Equity securities
Derivative [Line Items]
Long-term Investment Securities:	547	555
Carrying Value
Derivative [Line Items]
Total Long-term Debt	(14,586)	(14,679)
Carrying Value \| Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Receivable position	170	169
(Payable) position	(100)	(231)
Carrying Value \| Interest Rate Hedge Contracts
Derivative [Line Items]
(Payable) position	(119)	(95)
Carrying Value \| Equity securities
Derivative [Line Items]
Long-term Investment Securities:	547	555
Carrying Value \| Other
Derivative [Line Items]
Long-term Investment Securities:	271	244
Fair Value
Derivative [Line Items]
Total Long-term Debt	(14,299)	(14,769)
Fair Value \| Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Receivable position	170	169
(Payable) position	(100)	(231)
Fair Value \| Interest Rate Hedge Contracts
Derivative [Line Items]
(Payable) position	(119)	(95)
Fair Value \| Equity securities
Derivative [Line Items]
Long-term Investment Securities:	547	555
Fair Value \| Other
Derivative [Line Items]
Long-term Investment Securities:	$ 271	$ 244

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