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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- 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

No definition available.

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- Definition

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

+ References

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Acquisitions (Details) - USD ($) $ in Millions	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2020
Business Acquisition [Line Items]
Goodwill, acquired during period			$ 14
SmarTap
Business Acquisition [Line Items]
Payments to acquire businesses		$ 24
Goodwill, acquired during period		12
Finite-lived intangible assets acquired		$ 10
Weighted average useful life (in years)		5 years
Increase to goodwill	$ 2