Financial Instruments, Derivatives and Fair Value Measures - Gain or Loss (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Foreign currency forward exchange contracts \| Not designated as hedging instrument \| Net foreign exchange loss (gain)
Gain (loss) on derivatives
Income (expense) and Gains (loss) Reclassified into Income	$ 19	$ (171)	$ 75
Foreign currency forward exchange contracts \| Cash flow hedges \| Designated as hedging instrument \| Cost of products sold
Gain (loss) on derivatives
Gain (loss) Recognized in Other Comprehensive Income (loss)	164	(207)	9
Income (expense) and Gains (loss) Reclassified into Income	(252)	102	79
Debt \| Net investment hedges \| Designated as hedging instrument
Gain (loss) on derivatives
Gain (loss) Recognized in Other Comprehensive Income (loss)	56	(31)	4
Interest rate swaps \| Fair value hedges \| Designated as hedging instrument \| Interest expense
Gain (loss) on derivatives
Income (expense) and Gains (loss) Reclassified into Income	$ (123)	$ 162	$ 148

Amount before tax of reclassification adjustments of other comprehensive income (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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Balance Type:	debit
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