Acquisitions and Dispositions - Gross Carrying Amount and Weighted-Average Useful Life Allocated to Intangible Assets (Details) - First Data $ in Millions	Jul. 29, 2019 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 16,272
Weighted-Average Useful Life	14 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 13,458
Weighted-Average Useful Life	15 years
Acquired software and technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,324
Weighted-Average Useful Life	7 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 490
Weighted-Average Useful Life	9 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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
-URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464

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-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

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