Other Charges - Summary of Other Charges (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Restructuring Reserve [Roll Forward]
Beginning balance	$ 320
2023 Other charges	18	$ (4)
Less: Cash payments / receipts	(79)
Less: Non-cash charges	0
Foreign currency translation and other	(2)
Ending balance	257
Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance	308
2023 Other charges	0
Less: Cash payments / receipts	(79)
Less: Non-cash charges	0
Foreign currency translation and other	0
Ending balance	229
Severance costs \| Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance	281
2023 Other charges	0
Less: Cash payments / receipts	(79)
Less: Non-cash charges	0
Foreign currency translation and other	(1)
Ending balance	201
Other cost reduction charges \| Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance	27
2023 Other charges	0
Less: Cash payments / receipts	0
Less: Non-cash charges	0
Foreign currency translation and other	1
Ending balance	28
Merger-related and other charges
Restructuring Reserve [Roll Forward]
Beginning balance	12
2023 Other charges	18	$ (8)
Less: Cash payments / receipts	0
Less: Non-cash charges	0
Foreign currency translation and other	(2)
Ending balance	$ 28

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- Definition

Restructuring Reserve, Charges (Credits) Settled without Cash

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No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
-Paragraph 3
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
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