Restructuring Program - Restructuring Liability Activity (Details) - Simplify to Grow Program - USD ($) $ in Millions	3 Months Ended	95 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022
Restructuring Reserve [Roll Forward]
Liability balance, January 1, 2022	$ 211
Charges	11	$ 88	$ 3,047
Cash spent	(17)
Non-cash settlements/adjustments	(2)
Currency	(1)
Liability balance, March 31, 2022	202		202
Severance and related costs
Restructuring Reserve [Roll Forward]
Liability balance, January 1, 2022	211
Charges	9
Cash spent	(17)	$ (34)
Non-cash settlements/adjustments	0
Currency	(1)
Liability balance, March 31, 2022	202		202
Asset Write-downs
Restructuring Reserve [Roll Forward]
Liability balance, January 1, 2022	0
Charges	2
Cash spent	0
Non-cash settlements/adjustments	(2)
Currency	0
Liability balance, March 31, 2022	$ 0		$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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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

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-Publisher FASB
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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)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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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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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

+ References

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

+ References

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