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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gains (Loss) [Line Items]
Revenues	$ 21,695	$ 24,683	$ 70,957	$ 75,617
Cost of Products Sold	19,885	22,872	65,184	69,809
Interest Expense	155	97	482	262
Other (Income) Expense - Net	(35)	(67)	(116)	(183)
Designated As Hedging Instrument [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Gain (Loss) on Hedging Activity	(132)	118	(277)	366
Designated As Hedging Instrument [Member] | Revenues [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Interest contracts effective amount recognized in earnings		1		1
Gain (Loss) on Hedging Activity	0	1	0	1
Commodity Contracts effective amount recognized in earnings	0	0	0	0
Designated As Hedging Instrument [Member] | Cost of Products Sold [Member]
Derivative Instruments, Gains (Loss) [Line Items]
Gain (Loss) on Hedging Activity	(132)	117	(277)	365
Commodity Contracts effective amount recognized in earnings	$ (132)	$ 117	$ (277)	$ 365