Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Derivative [Line Items]
Revenues	$ 15,304	$ 15,526
Cost of Products Sold	14,376	14,637
Other (Income) Expense - Net	(8)	(15)
Total gain (loss) recognized in earnings	98	(267)
Revenues [Member]
Derivative [Line Items]
FX Contracts	8	(3)
Total gain (loss) recognized in earnings	8	(3)
Cost of Products Sold [Member]
Derivative [Line Items]
FX Contracts	0	(15)
Commodity Contracts	120	(313)
Total gain (loss) recognized in earnings	120	(328)
Other (Income) Expense - Net [Member]
Derivative [Line Items]
FX Contracts	(30)	64
Total gain (loss) recognized in earnings	$ (30)	$ 64

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

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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