Acquisitions - Luxoft, Intangible Assets (Details) - Luxoft Holding Inc. - USD ($) $ in Millions	Dec. 31, 2019	Jun. 14, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 571	$ 571
Customer related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 411
Estimated Useful Lives (Years)	10 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 143
Estimated Useful Lives (Years)	20 years
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 6
Estimated Useful Lives (Years)	3 years
Third-party purchased software
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 11
Estimated Useful Lives (Years)	3 years

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.

No definition available.

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- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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