Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gains (Loss) [Line Items]
Revenues	$ 27,284	$ 22,926	$ 50,934	$ 41,819
Cost of Products Sold	25,184	21,463	46,937	38,808
Interest Expense	73	40	165	127
Other (Income) Expense - Net	(83)	49	(116)	16
Designated As Hedging Instrument [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Total amount recognized in earnings	150	238	248	313
Designated As Hedging Instrument [Member] | Revenues [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Interest contracts effective amount recognized in earnings		(1)		(15)
Commodity Contracts effective amount recognized in earnings	0	0	0	0
Total amount recognized in earnings	0	(1)	0	(15)
Designated As Hedging Instrument [Member] | Cost of Products Sold [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Commodity Contracts effective amount recognized in earnings	150	239	248	328
Total amount recognized in earnings	$ 150	$ 239	$ 248	$ 328