Financial Instruments, Derivatives and Fair Value Measures - Carrying Value and Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Long-term Investment Securities:	$ 776	$ 766
Receivable position	154	412
(Payable) position	(833)	(828)
Equity securities
Derivative [Line Items]
Long-term Investment Securities:	565	558
Carrying Value
Derivative [Line Items]
Total Long-term Debt	(16,900)	(16,773)
Carrying Value | Foreign Exchange Forward
Derivative [Line Items]
Receivable position	154	412
(Payable) position	(235)	(226)
Carrying Value | Interest Rate Swap
Derivative [Line Items]
(Payable) position	147	156
Carrying Value | Equity securities
Derivative [Line Items]
Long-term Investment Securities:	565	558
Carrying Value | Other
Derivative [Line Items]
Long-term Investment Securities:	211	208
Fair Value
Derivative [Line Items]
Total Long-term Debt	(16,927)	(16,313)
Fair Value | Foreign Exchange Forward
Derivative [Line Items]
Receivable position	154	412
(Payable) position	(235)	(226)
Fair Value | Interest Rate Swap
Derivative [Line Items]
(Payable) position	147	156
Fair Value | Equity securities
Derivative [Line Items]
Long-term Investment Securities:	565	558
Fair Value | Other
Derivative [Line Items]
Long-term Investment Securities:	$ 211	$ 208