Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Revenues	$ 23,650	$ 18,893
Cost of Products Sold	21,753	17,345
Other (Income) Expense - Net	(33)	(33)
Interest Expense	92	87
Total gain (loss) recognized in earnings	(688)	(914)
Revenues [Member]
Derivative [Line Items]
FX Contracts	(38)	30
Total gain (loss) recognized in earnings	(38)	30
Cost of Products Sold [Member]
Derivative [Line Items]
FX Contracts	443	(262)
Commodity Contracts	(1,101)	(782)
Total gain (loss) recognized in earnings	(658)	(1,044)
Interest Expense [Member]
Derivative [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	(15)	(20)
Total gain (loss) recognized in earnings	(15)	(20)
Other (Income) Expense - Net [Member]
Derivative [Line Items]
FX Contracts	23	120
Commodity Contracts	0	0
Total gain (loss) recognized in earnings	$ 23	$ 120