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Fair Value Measurements
12 Months Ended
Jan. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the reporting date. The accounting guidance establishes a three-tiered hierarchy, which prioritizes the inputs used in the valuation methodologies in measuring fair value as follows:

Level 1 Inputs: Unadjusted quoted prices in active markets for identical assets or liabilities accessible to the reporting entity at the measurement date.

Level 2 Inputs: Other than quoted prices included in Level 1 inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the asset or liability.

Level 3 Inputs: Unobservable inputs for the asset or liability used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at the measurement date.

The following table presents the fair value hierarchy for the Company’s assets measured at fair value on a recurring basis as of January 31, 2023 (in thousands):

Level 1
Level 2
Total
Cash equivalents:
Money market funds$379,094 $— $379,094 
Commercial paper— 9,304 9,304 
Corporate notes and bonds— 6,903 6,903 
Certificates of deposit— 3,044 3,044 
Short-term investments:
Corporate notes and bonds— 1,301,296 1,301,296 
Commercial paper— 881,348 881,348 
Certificates of deposit— 445,194 445,194 
U.S. government and agency securities— 440,128 440,128 
Long-term investments:
Corporate notes and bonds— 801,784 801,784 
U.S. government and agency securities— 263,708 263,708 
Certificates of deposit— 7,531 7,531 
Total
$379,094 $4,160,240 $4,539,334 
The following table presents the fair value hierarchy for the Company’s assets measured at fair value on a recurring basis as of January 31, 2022 (in thousands):

Level 1
Level 2
Total
Cash equivalents:
Money market funds$722,492 $— $722,492 
Commercial paper— 77,794 77,794 
U.S. government securities— 36,995 36,995 
Corporate notes and bonds— 7,949 7,949 
Short-term investments:
Corporate notes and bonds— 1,662,436 1,662,436 
Commercial paper— 883,636 883,636 
U.S. government and agency securities— 116,712 116,712 
Certificates of deposit— 103,580 103,580 
Long-term investments:
Corporate notes and bonds— 935,603 935,603 
U.S. government and agency securities— 320,207 320,207 
Certificates of deposit— 397 397 
Total
$722,492 $4,145,309 $4,867,801 

The Company determines the fair value of its security holdings based on pricing from the Company’s service providers and market prices from industry-standard independent data providers. Such market prices may be quoted prices in active markets for identical assets (Level 1 inputs) or pricing determined using inputs other than quoted prices that are observable either directly or indirectly (Level 2 inputs), such as yield curve, volatility factors, credit spreads, default rates, loss severity, current market and contractual prices for the underlying instruments or debt, broker and dealer quotes, as well as other relevant economic measures.

Strategic Investments

The tables above do not include the Company’s strategic investments, which consist primarily of non-marketable equity securities accounted for using the Measurement Alternative and marketable equity securities.

The Company’s non-marketable equity securities accounted for using the Measurement Alternative are recorded at fair value on a non-recurring basis and classified within Level 3 of the fair value hierarchy because significant unobservable inputs or data in an inactive market are used in estimating their fair value. The estimation of fair value for these assets requires the use of an observable transaction price or other unobservable inputs, including the volatility, rights, and obligations of the securities the Company holds. The Company’s marketable equity securities are recorded at fair value on a recurring basis and classified within Level 1 of the fair value hierarchy because they are valued using the quoted market price.

The following table presents the Company’s strategic investments by type (in thousands):

January 31, 2023January 31, 2022
Equity securities:
Non-marketable equity securities under Measurement Alternative$174,248 $170,860 
Non-marketable equity securities under equity method5,066 — 
Marketable equity securities22,122 34,646 
Debt securities:
Non-marketable debt securities1,500 2,250 
Total strategic investments—included in other assets$202,936 $207,756 
The following table summarizes the unrealized gains and losses included in the carrying value of the Company’s strategic investments in equity securities held as of January 31, 2023 (in thousands):

Fiscal Year Ended January 31,
20232022
Non-marketable equity securities under Measurement Alternative:
Upward adjustments$4,125 $32,975 
Impairments(38,036)— 
Marketable equity securities:
Net unrealized losses(12,524)(5,354)
Total—included in other income (expense), net$(46,435)$27,621 

During the fiscal year ended January 31, 2021, the Company did not have any strategic investments in marketable equity securities and did not record any upward or downward adjustments, or impairments, on non-marketable equity securities under Measurement Alternative.

No realized gains or losses were recognized on the Company’s strategic investments in equity securities during any of periods presented. The cumulative upward adjustments and the cumulative impairments to the carrying value of the non-marketable equity securities accounted for using the Measurement Alternative that the Company held as of January 31, 2023 were $37.1 million and $38.0 million, respectively.