Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative [Line Items]
Revenues	$ 16,726	$ 15,800	$ 48,327	$ 48,394
Cost of Products Sold	15,648	14,742	45,349	45,266
Other (Income) Expense - Net	(18)	(25)	(39)	(42)
Total gain (loss) recognized in earnings	83	62	105	(96)
Revenues [Member]
Derivative [Line Items]
FX Contracts	17	(4)	15	21
Total gain (loss) recognized in earnings	17	(4)	15	21
Cost of Products Sold [Member]
Derivative [Line Items]
FX Contracts	(81)	12	(30)	(189)
Commodity Contracts	153	84	142	163
Total gain (loss) recognized in earnings	72	96	112	(26)
Other (Income) Expense - Net [Member]
Derivative [Line Items]
FX Contracts	(6)	(30)	(22)	(91)
Total gain (loss) recognized in earnings	$ (6)	$ (30)	$ (22)	$ (91)

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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