Financial Instruments - Derivative Financial Instruments and Hedging Activities - Footnotes (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023		Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative, Amount of Gains/(Losses) Reclassified from OCI into OID and COS	[1]	$ 413		$ 2,062	$ (134)
Foreign Currency Long-Term Debt [Member]
Derivative [Line Items]
Long-term debt, carrying value		824		795
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivative [Line Items]
Pre-tax gain expected to be reclassified within the next 12 months		$ 11
Remaining period of hedging exposure		19 years
Designated as Hedging Instrument [Member] | Cost of Sales [Member] | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, Amount of Gains/(Losses) Reclassified from OCI into OID and COS		$ 253	[2]	$ 375

[1] Reclassified into Other (income)/deductions—net and Cost of sales. See Note 7E.

[2] OID = Other (income)/deductions—net, included in Other (income)/deductions—net in the consolidated statements of income. COS = Cost of Sales, included in Cost of sales in the consolidated statements of income. OCI = Other comprehensive income/(loss), included in the consolidated statements of comprehensive income.