Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments, Gains (Loss) [Line Items]
Revenues	$ 24,683	$ 20,340	$ 75,617	$ 62,159
Cost of Products Sold	22,872	19,014	69,809	57,822
Interest Expense	97	61	262	188
Other (Income) Expense - Net	(67)	20	(183)	36
Designated As Hedging Instrument [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Total amount recognized in earnings	118	122	366	435
Designated As Hedging Instrument [Member] | Revenues [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Interest contracts effective amount recognized in earnings	1	0	1	(15)
Commodity Contracts effective amount recognized in earnings	0	0	0	0
Total amount recognized in earnings	1	0	1	(15)
Designated As Hedging Instrument [Member] | Cost of Products Sold [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Commodity Contracts effective amount recognized in earnings	117	122	365	450
Total amount recognized in earnings	$ 117	$ 122	$ 365	$ 450