Overview and Basis of Presentation (Policies)	6 Months Ended
Jul. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. The condensed consolidated financial statements include the results of Workday, Inc. and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. In the opinion of our management, the information contained herein reflects all adjustments necessary for a fair presentation of Workday’s financial position, results of operations, stockholders’ equity, and cash flows. All such adjustments are of a normal, recurring nature. The results of operations for the three and six months ended July 31, 2021, shown in this report are not necessarily indicative of the results to be expected for the full fiscal year ending January 31, 2022. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended January 31, 2021, filed with the SEC on March 2, 2021. There have been no material changes in our significant accounting policies as described in our Annual Report on Form 10-K for the fiscal year ended January 31, 2021, other than the adoption of an accounting pronouncement as described in Note 2, Accounting Standards.
Use of Estimates	Use of Estimates The preparation of condensed consolidated financial statements in conformity with GAAP requires us to make certain estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant estimates, judgments, and assumptions include, but are not limited to, the determination of the fair value and useful lives of assets acquired and liabilities assumed through business combinations, the period of benefit for deferred commissions, the fair value of certain equity awards, and the valuation of non-marketable equity investments. Actual results could differ from those estimates and such differences could be material to our condensed consolidated financial statements.
Segment Information	Segment Information We operate in one operating segment, cloud applications. Operating segments are defined as components of an enterprise where separate financial information is evaluated regularly by chief operating decision makers (“CODMs”) in deciding how to allocate resources and assessing performance. For the six months ended July 31, 2021, our CODMs were our Co-Chief Executive Officer and Chairman, Aneel Bhusri, and our Co-Chief Executive Officer, Chano Fernandez. Our CODMs allocate resources and assess performance based upon discrete financial information at the consolidated level.
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements	Recently Adopted Accounting Pronouncements ASU No. 2020-06 In August 2020, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2020-06, Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40). Under ASU No. 2020-06, the embedded conversion features are no longer separated from the host contract for convertible instruments with conversion features that are not required to be accounted for as derivatives under Topic 815, or that do not result in substantial premiums accounted for as paid-in capital. Consequently, a convertible debt instrument will be accounted for as a single liability measured at its amortized cost, as long as no other features require bifurcation and recognition as derivatives. The new guidance also requires the if-converted method to be applied for all convertible instruments when calculating diluted earnings per share. We adopted this standard effective February 1, 2021, using a modified retrospective method, under which financial results reported in prior periods were not adjusted. We applied the provisions of this guidance to our 0.25% convertible senior notes due October 1, 2022 (“2022 Notes”). Upon adoption, we recorded a decrease to Accumulated deficit of $136 million, a decrease to Additional paid-in capital of $220 million, an increase to Debt, current of $79 million, and a decrease to Property and equipment, net of $5 million, which represented non-cash interest previously capitalized. For further information, see Note 11, Debt. Recently Issued Accounting Pronouncements ASU No. 2020-04 and ASU No. 2021-01 In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting, which provides temporary optional expedients and exceptions to GAAP guidance on contract modifications to ease the financial reporting burdens related to the expected market transition from the London Interbank Offered Rate to alternative reference rates. In January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848), which refines the scope of Topic 848 and clarifies some of its guidance. We may elect to apply the amendments prospectively through December 31, 2022. The impact on our condensed consolidated financial statements from the adoption of this standard is expected to be immaterial.
Investments	We classify our debt securities as available-for-sale at the time of purchase and reevaluate such classification as of each balance sheet date. We consider all debt securities as available for use in current operations, including those with maturity dates beyond one year, and therefore classify these securities as current assets on the condensed consolidated balance sheets. Debt securities included in Marketable securities on the condensed consolidated balance sheets consist of securities with original maturities at the time of purchase greater than three months, and the remainder of the securities is included in Cash and cash equivalents.
Fair Value Measurements	We measure our cash equivalents, marketable securities, and foreign currency derivative contracts at fair value at each reporting period using a fair value hierarchy which requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument’s classification within the fair value hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Three levels of inputs may be used to measure fair value: Level 1 — Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets. Level 2 — Other inputs that are directly or indirectly observable in the marketplace. Level 3 — Unobservable inputs that are supported by little or no market activity.
Derivatives	We conduct business on a global basis in multiple foreign currencies, subjecting Workday to foreign currency risk. To mitigate this risk, we utilize derivative hedging contracts as described below. We do not enter into any derivatives for trading or speculative purposes. Our foreign currency contracts are classified within Level 2 of the fair value hierarchy because the valuation inputs are based on quoted prices and market observable data of similar instruments in active markets, such as currency spot and forward rates. Foreign Currency Forward Contracts Designated as Cash Flow Hedges We are exposed to foreign currency fluctuations resulting from customer contracts denominated in foreign currencies. We have a hedging program in which we enter into foreign currency forward contracts related to certain customer contracts. We designate these forward contracts as cash flow hedging instruments since the accounting criteria for such designation have been met. Foreign currency forward contracts designated as cash flow hedges are recorded on the condensed consolidated balance sheets at fair value. Cash flows from such forward contracts are classified as operating activities. Gains or losses resulting from changes in the fair value of these hedges are recorded in Accumulated other comprehensive income (loss) (“AOCI”) on the condensed consolidated balance sheets and will be subsequently reclassified to the related revenue line item on the condensed consolidated statements of operations in the same period that the underlying revenues are earned. Foreign Currency Forward Contracts Not Designated as Hedges We also enter into foreign currency forward contracts to hedge a portion of our net outstanding monetary assets and liabilities. These forward contracts are intended to offset the foreign currency gains or losses associated with the underlying monetary assets and liabilities and are recorded on the condensed consolidated balance sheets at fair value. These forward contracts are not designated as hedging instruments under applicable accounting guidance, and therefore all changes in the fair value of these forward contracts are recorded in Other income (expense), net on the condensed consolidated statements of operations. Cash flows from such forward contracts are classified as operating activities.
Convertible Debt	As described in Note 2, Accounting Standards, we adopted ASU 2020-06 effective February 1, 2021, using a modified retrospective method, under which financial results reported in prior periods were not adjusted. Prior to the adoption of the standard, in accounting for the issuance of the 2022 Notes, we separated them into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of similar liabilities that do not have associated convertible features. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the par value of the 2022 Notes. This difference represented a debt discount that was amortized to interest expense over the term of the 2022 Notes using the effective interest rate method. The gross carrying amount of the equity component for the 2022 Notes was $223 million and was included in Additional paid-in capital on the condensed consolidated balance sheets upon issuance. The effective interest rate of the liability component of the 2022 Notes was 4.60%. Additionally, we separated the total issuance costs incurred into liability and equity components in proportion to the allocation of the initial proceeds, resulting in liability issuance costs of $14 million and equity issuance costs of $4 million. Issuance costs attributable to the liability component were amortized on a straight-line basis, which approximated the effective interest rate method, to interest expense over the term of the 2022 Notes. The issuance costs attributable to the equity component were netted against the equity component in Additional paid-in capital. Upon adoption of ASU No. 2020-06 on February 1, 2021, we recombined the liability and equity components of the 2022 Notes assuming that the instrument was accounted for as a single liability from inception to the date of adoption. We similarly recombined the liability and equity components of the issuance costs. The issuance costs are presented as a deduction from the outstanding principal balance of the 2022 Notes, and are amortized on a straight-line basis, which approximates the effective interest rate method, to interest expense over the term of the 2022 Notes. As of July 31, 2021, the effective interest rate on the 2022 Notes was 0.55%. The standard did not impact the accounting for the 2020 Notes since they were converted and repaid prior to the date of adoption.
Net Loss Per Share	Basic net income (loss) per share attributable to common stockholders is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period, net of treasury stock. Diluted net income (loss) per share is computed by giving effect to all potentially dilutive shares of common stock, including our outstanding stock options, unvested RSUs, PRSUs, and RSAs, convertible senior notes, outstanding warrants, and ESPP obligations. The net income (loss) per share attributable to common stockholders is allocated based on the contractual participation rights of the Class A common shares and Class B common shares as if the income (loss) for the period had been distributed. As the liquidation and dividend rights are identical, the net income (loss) attributable to common stockholders is allocated on a proportionate basis. The computation of the diluted net income (loss) per share of Class A common stock assumes the conversion of our Class B common stock to Class A common stock, while the diluted net income (loss) per share of Class B common stock does not assume the conversion of those shares. Basic and diluted net loss per share was the same for the three and six months ended July 31, 2020, as the inclusion of all potential common shares outstanding would have been anti-dilutive.

Overview and Basis of Presentation (Policies)

6 Months Ended

Jul. 31, 2021

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. The condensed consolidated financial statements include the results of Workday, Inc. and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. In the opinion of our management, the information contained herein reflects all adjustments necessary for a fair presentation of Workday’s financial position, results of operations, stockholders’ equity, and cash flows. All such adjustments are of a normal, recurring nature. The results of operations for the three and six months ended July 31, 2021, shown in this report are not necessarily indicative of the results to be expected for the full fiscal year ending January 31, 2022. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended January 31, 2021, filed with the SEC on March 2, 2021.

There have been no material changes in our significant accounting policies as described in our Annual Report on Form 10-K for the fiscal year ended January 31, 2021, other than the adoption of an accounting pronouncement as described in Note 2, Accounting Standards.

Use of Estimates

The preparation of condensed consolidated financial statements in conformity with GAAP requires us to make certain estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant estimates, judgments, and assumptions include, but are not limited to, the determination of the fair value and useful lives of assets acquired and liabilities assumed through business combinations, the period of benefit for deferred commissions, the fair value of certain equity awards, and the valuation of non-marketable equity investments. Actual results could differ from those estimates and such differences could be material to our condensed consolidated financial statements.

Segment Information

We operate in one operating segment, cloud applications. Operating segments are defined as components of an enterprise where separate financial information is evaluated regularly by chief operating decision makers (“CODMs”) in deciding how to allocate resources and assessing performance. For the six months ended July 31, 2021, our CODMs were our Co-Chief Executive Officer and Chairman, Aneel Bhusri, and our Co-Chief Executive Officer, Chano Fernandez. Our CODMs allocate resources and assess performance based upon discrete financial information at the consolidated level.

Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements

Recently Adopted Accounting Pronouncements

ASU No. 2020-06

In August 2020, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2020-06, Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40). Under ASU No. 2020-06, the embedded conversion features are no longer separated from the host contract for convertible instruments with conversion features that are not required to be accounted for as derivatives under Topic 815, or that do not result in substantial premiums accounted for as paid-in capital. Consequently, a convertible debt instrument will be accounted for as a single liability measured at its amortized cost, as long as no other features require bifurcation and recognition as derivatives. The new guidance also requires the if-converted method to be applied for all convertible instruments when calculating diluted earnings per share.

We adopted this standard effective February 1, 2021, using a modified retrospective method, under which financial results reported in prior periods were not adjusted. We applied the provisions of this guidance to our 0.25% convertible senior notes due October 1, 2022 (“2022 Notes”). Upon adoption, we recorded a decrease to Accumulated deficit of $136 million, a decrease to Additional paid-in capital of $220 million, an increase to Debt, current of $79 million, and a decrease to Property and equipment, net of $5 million, which represented non-cash interest previously capitalized. For further information, see Note 11, Debt.

Recently Issued Accounting Pronouncements

ASU No. 2020-04 and ASU No. 2021-01

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting, which provides temporary optional expedients and exceptions to GAAP guidance on contract modifications to ease the financial reporting burdens related to the expected market transition from the London Interbank Offered Rate to alternative reference rates. In January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848), which refines the scope of Topic 848 and clarifies some of its guidance. We may elect to apply the amendments prospectively through December 31, 2022. The impact on our condensed consolidated financial statements from the adoption of this standard is expected to be immaterial.

Investments

We classify our debt securities as available-for-sale at the time of purchase and reevaluate such classification as of each balance sheet date. We consider all debt securities as available for use in current operations, including those with maturity dates beyond one year, and therefore classify these securities as current assets on the condensed consolidated balance sheets. Debt securities included in Marketable securities on the condensed consolidated balance sheets consist of securities with original maturities at the time of purchase greater than three months, and the remainder of the securities is included in Cash and cash equivalents.

Fair Value Measurements

We measure our cash equivalents, marketable securities, and foreign currency derivative contracts at fair value at each reporting period using a fair value hierarchy which requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument’s classification within the fair value hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Three levels of inputs may be used to measure fair value:

Level 1 — Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2 — Other inputs that are directly or indirectly observable in the marketplace.

Level 3 — Unobservable inputs that are supported by little or no market activity.

Derivatives

We conduct business on a global basis in multiple foreign currencies, subjecting Workday to foreign currency risk. To mitigate this risk, we utilize derivative hedging contracts as described below. We do not enter into any derivatives for trading or speculative purposes.

Our foreign currency contracts are classified within Level 2 of the fair value hierarchy because the valuation inputs are based on quoted prices and market observable data of similar instruments in active markets, such as currency spot and forward rates.

Foreign Currency Forward Contracts Designated as Cash Flow Hedges

We are exposed to foreign currency fluctuations resulting from customer contracts denominated in foreign currencies. We have a hedging program in which we enter into foreign currency forward contracts related to certain customer contracts. We designate these forward contracts as cash flow hedging instruments since the accounting criteria for such designation have been met.

Foreign currency forward contracts designated as cash flow hedges are recorded on the condensed consolidated balance sheets at fair value. Cash flows from such forward contracts are classified as operating activities. Gains or losses resulting from changes in the fair value of these hedges are recorded in Accumulated other comprehensive income (loss) (“AOCI”) on the condensed consolidated balance sheets and will be subsequently reclassified to the related revenue line item on the condensed consolidated statements of operations in the same period that the underlying revenues are earned.

Foreign Currency Forward Contracts Not Designated as Hedges

We also enter into foreign currency forward contracts to hedge a portion of our net outstanding monetary assets and liabilities. These forward contracts are intended to offset the foreign currency gains or losses associated with the underlying monetary assets and liabilities and are recorded on the condensed consolidated balance sheets at fair value. These forward contracts are not designated as hedging instruments under applicable accounting guidance, and therefore all changes in the fair value of these forward contracts are recorded in Other income (expense), net on the condensed consolidated statements of operations. Cash flows from such forward contracts are classified as operating activities.

Convertible Debt

As described in Note 2, Accounting Standards, we adopted ASU 2020-06 effective February 1, 2021, using a modified retrospective method, under which financial results reported in prior periods were not adjusted. Prior to the adoption of the standard, in accounting for the issuance of the 2022 Notes, we separated them into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of similar liabilities that do not have associated convertible features. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the par value of the 2022 Notes. This difference represented a debt discount that was amortized to interest expense over the term of the 2022 Notes using the effective interest rate method. The gross carrying amount of the equity component for the 2022 Notes was $223 million and was included in Additional paid-in capital on the condensed consolidated balance sheets upon issuance. The effective interest rate of the liability component of the 2022 Notes was 4.60%. Additionally, we separated the total issuance costs incurred into liability and equity components in proportion to the allocation of the initial proceeds, resulting in liability issuance costs of $14 million and equity issuance costs of $4 million. Issuance costs attributable to the liability component were amortized on a straight-line basis, which approximated the effective interest rate method, to interest expense over the term of the 2022 Notes. The issuance costs attributable to the equity component were netted against the equity component in Additional paid-in capital. Upon adoption of ASU No. 2020-06 on February 1, 2021, we recombined the liability and equity components of the 2022 Notes assuming that the instrument was accounted for as a single liability from inception to the date of adoption. We similarly recombined the liability and equity components of the issuance costs. The issuance costs are presented as a deduction from the outstanding principal balance of the 2022 Notes, and are amortized on a straight-line basis, which approximates the effective interest rate method, to interest expense over the term of the 2022 Notes. As of July 31, 2021, the effective interest rate on the 2022 Notes was 0.55%. The standard did not impact the accounting for the 2020 Notes since they were converted and repaid prior to the date of adoption.

Net Loss Per Share

Basic net income (loss) per share attributable to common stockholders is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period, net of treasury stock. Diluted net income (loss) per share is computed by giving effect to all potentially dilutive shares of common stock, including our outstanding stock options, unvested RSUs, PRSUs, and RSAs, convertible senior notes, outstanding warrants, and ESPP obligations.

The net income (loss) per share attributable to common stockholders is allocated based on the contractual participation rights of the Class A common shares and Class B common shares as if the income (loss) for the period had been distributed. As the liquidation and dividend rights are identical, the net income (loss) attributable to common stockholders is allocated on a proportionate basis. The computation of the diluted net income (loss) per share of Class A common stock assumes the conversion of our Class B common stock to Class A common stock, while the diluted net income (loss) per share of Class B common stock does not assume the conversion of those shares.

Basic and diluted net loss per share was the same for the three and six months ended July 31, 2020, as the inclusion of all potential common shares outstanding would have been anti-dilutive.