Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Revenues	$ 85,249	$ 64,355	$ 64,656
Cost of products sold	79,262	59,902	60,509
Total gain (loss) recognized in earnings	(1,535)	(706)	44
Other Nonoperating Income (Expense)	(94)	(255)	11
Interest expense	265	339	402
Interest Expense [Member]
Derivative [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	19	(17)
Total gain (loss) recognized in earnings	19	(17)
Cost Of Products Sold [Member]
Derivative [Line Items]
FX Contracts	(140)	(496)	32
Commodity Contracts	(1,606)	(68)	24
Total gain (loss) recognized in earnings	(1,746)	(564)	56
Sales [Member]
Derivative [Line Items]
FX Contracts	3	28	9
Total gain (loss) recognized in earnings	3	28	9
Other Nonoperating Income (Expense)
Derivative [Line Items]
FX Contracts	189	(153)	(21)
Total gain (loss) recognized in earnings	$ 189	$ (153)	$ (21)