Stock Purchase Agreement, Value Assigned

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of expense for amortization of capitalized computer software costs.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

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- Definition

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The Company and Summary of Significant Accounting Policies (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2019 segment	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)	Nov. 24, 2019 USD ($)	Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Number of reportable segments \| segment	3	3	1
Allowance for doubtful accounts and authorized credits		$ 128,000,000	$ 106,000,000
Deferred revenue recognized during period		93,000,000	96,000,000
Capitalized software development costs		137,000,000	147,000,000
Amortization of previously capitalized software		150,000,000	160,000,000	$ 156,000,000
Advertising expense		1,400,000,000	1,400,000,000	1,300,000,000
Impairment of long-lived assets		0	0	$ 0
New Accounting Pronouncement, Early Adoption [Line Items]
Operating lease right-of-use assets		628,000,000
Lease liability		$ 661,000,000
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives		30 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives		5 years
Furniture and Fixtures and Vehicles
Property, Plant and Equipment [Line Items]
Estimated useful lives		3 years
Minimum
Property, Plant and Equipment [Line Items]
Finite-lived intangible asset, useful life		1 year
Minimum \| Internal Use Software And Website Development
Property, Plant and Equipment [Line Items]
Estimated useful lives		1 year
Minimum \| Computer Equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives		1 year
Maximum
Property, Plant and Equipment [Line Items]
Finite-lived intangible asset, useful life		5 years
Maximum \| Internal Use Software And Website Development
Property, Plant and Equipment [Line Items]
Estimated useful lives		5 years
Maximum \| Computer Equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives		3 years
Accounting Standards Update 2016-02
New Accounting Pronouncement, Early Adoption [Line Items]
Operating lease right-of-use assets						$ 728,000,000
Lease liability						$ 744,000,000
Deferred rent			$ 16,000,000
StubHub
Property, Plant and Equipment [Line Items]
Stock purchase agreement, value assigned					$ 4,050,000,000.00