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Asset Impairment, Exit and Implementation Costs (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1		$ 5	$ 395	$ 111
Wine Business Strategic Reset [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1			$ 395
Inventory Write-Off [Member] | Wine Business Strategic Reset [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 292
Purchase Commitment [Member] | Wine Business Strategic Reset [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 100
Fulfillment term				5 years
Forecast [Member] | Wine Business Strategic Reset [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						$ 20

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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-Name Accounting Standards Codification
-Topic 420
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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