Financial Instruments, Derivatives and Fair Value Measures - Schedule of Derivatives Gain (Loss) in OCI and Income (Expense) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Foreign Currency Forward Exchange Contracts \| Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in other comprehensive income (loss), foreign currency forward exchange contracts designated as cash flow hedges	$ 125	$ 350	$ 152	$ 442
Income (expense) and gain (loss) reclassified into income, foreign currency forward exchange contracts designated as cash flow hedges	22	79	211	149
Debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in other comprehensive income (loss), debt designated as a hedge of net investment in a foreign subsidiary	12	24	45	108
Interest Rate Swaps \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Income (expense) and gain (loss) reclassified into income, interest rate swaps designated as fair value hedges	$ (18)	$ (85)	$ (15)	$ (253)

Other Comprehensive Income (Loss), Fair Value Hedge, Gain (Loss), Reclassification, before Tax

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480627/815-20-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
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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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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Section 50
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