| **Commitments and Contingencies (Narrative) (Details) (USD $)**                                         | 9 Months Ended     |           |           |
|---------------------------------------------------------------------------------------------------------|--------------------|-----------|-----------|
||
| Holland Creek Metropolitan District [Member]                                                            |               |      |      |
| Credit-enhanced bonds issued amount                                                                     | $ 8,000,000        |      |      |
| Amount outstanding in letters of credit                                                                 | 8,100,000          |      |      |
| Red Sky Ranch Metropolitan District [Member]                                                            |               |      |      |
| Other long-term liabilities                                                                             | 1,800,000          | 1,800,000 | 1,800,000 |
| Estimated cessation date of capital improvement fee payment obligation                                  | July 31, 2028 |      |      |
| Various Other [Member]                                                                                  |               |      |      |
| Amount outstanding in letters of credit                                                                 | 58,400,000         |      |      |
| Employee Housing Bonds [Member]                                                                         |               |      |      |
| Amount outstanding in letters of credit                                                                 | 53,400,000         |      |      |
| Workers' Compensation and General Liability Related to Construction and Development Activities [Member] |               |      |      |
| Amount outstanding in letters of credit                                                                 | $ 3,400,000        |      |      |

| X                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Debt Instrument, Third Party Credit Enhancements
+ References
No definition available.
+ Details**Name:**mtn_DebtInstrumentThirdPartyCreditEnhancements**Namespace Prefix:**mtn_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Estimated Cessation Date Of Capital Improvement Fee Payments
+ References
No definition available.
+ Details**Name:**mtn_EstimatedCessationDateOfCapitalImprovementFeePayments**Namespace Prefix:**mtn_**Data Type:**us-types:dateStringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
+ References
No definition available.
+ Details**Name:**us-gaap_LettersOfCreditOutstandingAmount**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5
+ Details**Name:**us-gaap_OtherLongTermDebt**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |