Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Revenues	$ 22,978	$ 21,695	$ 25,190	$ 24,072	$ 25,939	$ 24,683	$ 27,284	$ 23,650	$ 93,935	$ 101,556	$ 85,249
Cost of products sold									86,422	93,986	79,262
Total gain (loss) recognized in earnings									957	408	(1,535)
Other Nonoperating Income (Expense)									(176)	(358)	(94)
Interest Expense									647	396	265
Interest Expense [Member]
Derivative [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net									6	9	19
Total gain (loss) recognized in earnings									6	9	19
Cost Of Products Sold [Member]
Derivative [Line Items]
FX Contracts									322	367	(140)
Commodity Contracts									619	(120)	(1,606)
Total gain (loss) recognized in earnings									941	247	(1,746)
Sales [Member]
Derivative [Line Items]
FX Contracts									(33)	(42)	3
Total gain (loss) recognized in earnings									(33)	(42)	3
Other Nonoperating Income (Expense)
Derivative [Line Items]
FX Contracts									43	194	189
Total gain (loss) recognized in earnings									$ 43	$ 194	$ 189