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Restructuring and Impairment Charges - Employee-related severance (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Restructuring accrual
Restructuring charges	$ 4	$ 14
Employee-related severance costs
Restructuring accrual
Balance in severance accrual at beginning of period		12
Payments made to terminated employees		(8)
Balance in severance accrual at end of period	6	6
Cost Smart Cost of Sales and SG&A Program
Restructuring accrual
Restructuring charges	$ 4	14
Cost Smart Cost of Sales and SG&A Program | Employee-related severance costs
Restructuring accrual
Restructuring charges		1
South America joint venture restructuring
Restructuring accrual
Restructuring charges		2
South America joint venture restructuring | Employee-related severance costs
Restructuring accrual
Restructuring charges		$ 1

X

- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

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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

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-Publisher FASB
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-Section S99
-Paragraph 1
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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