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Condensed Consolidated Financial Statement Details - Visa Europe and Contingent Value Rights Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Contingent Value Rights [Line Items] |  |  |
Contingent value rights, fair value | $ 377 |  | $ 401
Other nonoperating income (expense) |  |  |
Contingent Value Rights [Line Items] |  |  |
Contingent value rights at fair value, increase | $ 5 | $ (20) |
Visa Europe to Visa, Inc. |  |  |
Contingent Value Rights [Line Items] |  |  |
Percentage of disposal proceeds due to counterparty, net of tax (percent) | 90.00% |  |
Contingent value rights | $ 50 |  | $ 70

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- Definition Contingent Value Rights + References No definition available. + Details
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Namespace Prefix: | fis_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Contingent Value Rights At Fair Value, Period Increase (Decrease) + References No definition available. + Details
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Namespace Prefix: | fis_
Data Type: | xbrli:monetaryItemType
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- Definition Contingent Value Rights, Fair Value + References No definition available. + Details
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Namespace Prefix: | fis_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Contingent Value Rights [Line Items] + References No definition available. + Details
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Namespace Prefix: | fis_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Percentage Of Disposal Proceeds Due To Counterparty Related to Contingent Value Rights, Net Of Tax + References No definition available. + Details
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Namespace Prefix: | fis_
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |