Financial Instruments - Location and Pretax (Gains) or Loss Amounts for Derivatives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Sales	$ 59,283	$ 48,704	$ 41,518
Other (income) expense, net	1,501	(1,341)	(890)
Other comprehensive income (loss)	$ (339)	$ 1,756	$ (441)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other (income) expense, net	Other (income) expense, net	Other (income) expense, net
Interest rate swap contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	$ (2)	$ (2)	$ (4)
Amount of gain recognized in Other (income) expense, net on derivatives	(2)	(2)	(4)
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	684	333	(383)
Increase (decrease) in Sales as a result of AOCL reclassifications	(773)	194	6
Other (income) expense, net | Interest rate swap contracts
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items	(13)	(40)	40
Derivatives designated as hedging instruments	4	1	(76)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Sales	$ 773	$ (194)	$ (6)