XML 61 R48.htm IDEA: XBRL DOCUMENT
v3.21.2

Investments - Schedule of Non-Marketable Equity Investments (Details) - USD ($) $ in Thousands | Oct. 31, 2021 | Jan. 31, 2021
--- | --- | ---
Investments, Debt and Equity Securities [Abstract] |  |
Total initial cost | $ 130,131 | $ 65,377
Cumulative net unrealized gains (losses) | 39,798 | 7,765
Carrying value | $ 169,929 | $ 73,142

X
- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity Securities without Readily Determinable Fair Value, Cost + References No definition available. + Details
Name: | wday_EquitySecuritiesWithoutReadilyDeterminableFairValueCost
Namespace Prefix: | wday_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Equity Securities without Readily Determinable Fair Value, Cumulative Unrealized Gain (Loss) + References No definition available. + Details
Name: | wday_EquitySecuritiesWithoutReadilyDeterminableFairValueCumulativeUnrealizedGainLoss
Namespace Prefix: | wday_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant