Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Interest Expense	$ 396	$ 265	$ 339
Revenues	101,556	85,249	64,355
Cost of products sold	93,986	79,262	59,902
Designated As Hedging Instrument [Member]
Derivative [Line Items]
Total amount recognized in earnings	352	474	(45)
Designated As Hedging Instrument [Member] | Interest Expense [Member]
Derivative [Line Items]
Interest contracts effective amount recognized in earnings	0	0	(2)
Total amount recognized in earnings	$ 0	$ 0	$ (2)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense	Interest Expense	Interest Expense
Designated As Hedging Instrument [Member] | Cost Of Products Sold [Member]
Derivative [Line Items]
Commodity Contracts effective amount recognized in earnings	$ 351	$ 490	$ 27
Total amount recognized in earnings	$ 351	$ 490	$ 27
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of products sold	Cost of products sold	Cost of products sold
Designated As Hedging Instrument [Member] | Sales [Member]
Derivative [Line Items]
Interest contracts effective amount recognized in earnings	$ 1	$ (16)	$ (75)
Commodity Contracts effective amount recognized in earnings	0	0	7
Total amount recognized in earnings	$ 1	$ (16)	$ (68)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Revenues	Revenues	Revenues
Designated As Hedging Instrument [Member] | Other Nonoperating Income (Expense)
Derivative [Line Items]
Interest contracts effective amount recognized in earnings	$ 0	$ 0
Commodity Contracts effective amount recognized in earnings	0	0	$ (2)
Total amount recognized in earnings	$ 0	$ 0	$ (2)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)