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Derivative and Other Financial Instruments (Accumulated Other Comprehensive Income ("AOCI") and Earnings from Changes in Fair Value Related to Derivative Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI	$ 9	$ (22)
Provision for income taxes	13	11
Derivatives qualifying as hedges	(35)	(32)
Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI	0	(8)
Foreign exchange | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amounts of gain/(loss) reclassified from AOCI into income	(4)	(4)
Foreign exchange | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Amounts of gain/(loss) reclassified from AOCI into income	(2)	(1)
Interest rate
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI	(1)	(1)
Commodities
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI	10	(13)
Amounts of gain/(loss) reclassified from AOCI into income	(48)	(43)
Commodities | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amounts of gain/(loss) reclassified from AOCI into income	18	14
Commodities | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Amounts of gain/(loss) reclassified from AOCI into income	$ (60)	$ (52)

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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