Business Combinations - Cornershop Intangible Assets Acquired and Useful Lives (Details) - Cornershop Global LLC $ in Millions	Jul. 06, 2020 USD ($)
Business Acquisition [Line Items]
Fair Value	$ 122
Weighted Average Remaining Useful Life - Years	6 years
Vendor relationship
Business Acquisition [Line Items]
Fair Value	$ 20
Weighted Average Remaining Useful Life - Years	15 years
Shopper relationship
Business Acquisition [Line Items]
Fair Value	$ 1
Weighted Average Remaining Useful Life - Years	1 year
Consumer relationship
Business Acquisition [Line Items]
Fair Value	$ 14
Weighted Average Remaining Useful Life - Years	5 years
Developed technology
Business Acquisition [Line Items]
Fair Value	$ 58
Weighted Average Remaining Useful Life - Years	4 years
Trade names
Business Acquisition [Line Items]
Fair Value	$ 29
Weighted Average Remaining Useful Life - Years	5 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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-Topic 350
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-Section 50
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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.

+ References

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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