XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Accrued Litigation for Both Covered and Non-Covered Litigation (Detail) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2016 USD ($) merchant | Dec. 31, 2015 USD ($)
Loss Contingency Accrual [Roll Forward] |  |
Balance at beginning of period | $ 981 | $ 1,024
Balance at end of period | $ 994 | 1,012
U.K. Merchant Litigation |  |
Loss Contingencies [Line Items] |  |
Number of plaintiffs | merchant | 100 |
Loss Contingency Accrual [Roll Forward] |  |
Loss Contingency, Claims Settled, Number | merchant | 4 |
Threatened Litigation [Member] | U.K. Merchant Litigation |  |
Loss Contingencies [Line Items] |  |
Number of plaintiffs | merchant | 30 |
Unsettled [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Provision for uncovered legal matters | $ 15 | 0
Settled Litigation [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Payments on litigation matters | (88) | (12)
VE Territory Covered Litigation [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Balance at beginning of period | 2 |
Provision for uncovered legal matters | 86 | 0
Balance at end of period | 0 |
VE Territory Covered Litigation [Member] | Settled Litigation [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Payments on litigation matters | (88) |
U.S. Covered Litigation [Member] [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Balance at beginning of period | 978 | 1,023
Balance at end of period | 978 | 1,012
U.S. Covered Litigation [Member] [Member] | Settled Litigation [Member] |  |
Loss Contingency Accrual [Roll Forward] |  |
Payments on litigation matters | $ 0 | $ (11)

X
- 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. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualProvision
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LossContingencyAccrualRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of claims settled. + References No definition available. + Details
Name: | us-gaap_LossContingencyClaimsSettledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationCaseAxis=v_U.K.MerchantLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_ThreatenedLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=v_UnsettledMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=v_VETerritoryCoveredLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=v_U.S.CoveredLitigationMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |