FAIR VALUE MEASUREMENTS
Assets and liabilities measured at fair value are categorized below based on the level of inputs to the valuation techniques used to measure fair value (see Note 2):
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| (In millions) | | Level 1 | | Level 2 | | Level 3 | | Total |
| December 31, 2025 | | | | | | | | |
| Recurring fair value measurements | | | | | | | | |
| ASSETS: | | | | | | | | |
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Money market fund investments and certificates of deposit | | $ | 15,316 | | | $ | — | | | $ | — | | | $ | 15,316 | |
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| Equity securities | | 428 | | | — | | | — | | | 428 | |
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| Foreign currency exchange derivatives | | — | | | 47 | | | — | | | 47 | |
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| LIABILITIES: | | | | | | | | |
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| Foreign currency exchange derivatives | | $ | — | | | $ | 40 | | | $ | — | | | $ | 40 | |
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| Nonrecurring fair value measurements | | | | | | | | |
Investments in equity securities of private entities | | $ | — | | | $ | 30 | | | $ | 13 | | | $ | 43 | |
Long-lived assets (1) | | — | | | — | | | 179 | | | 179 | |
Goodwill (1) | | — | | | — | | | 203 | | | 203 | |
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| December 31, 2024 | | | | | | | | |
| Recurring fair value measurements | | | | | | | | |
| ASSETS: | | | | | | | | |
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| Money market fund investments and certificates of deposit | | $ | 14,926 | | | $ | — | | | $ | — | | | $ | 14,926 | |
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| Equity securities | | 391 | | | — | | | — | | | 391 | |
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| Foreign currency exchange derivatives | | — | | | 70 | | | — | | | 70 | |
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| LIABILITIES: | | | | | | | | |
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| Foreign currency exchange derivatives | | $ | — | | | $ | 93 | | | $ | — | | | $ | 93 | |
| Embedded derivative liability | | — | | | 1,300 | | | — | | | 1,300 | |
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(1) Fair value measurement as of September 30, 2025. See Note 11 for additional information.
Investments
See Note 5 for additional information related to the Company's investments.
The Company's investments in privately-held entities are measured using Level 2 and 3 inputs, as appropriate. Fair values of these securities are estimated using a variety of valuation methodologies, including both the market and income approaches. The Company uses valuation techniques appropriate for the type of investment and the information available about the investee as of the valuation date to determine fair value. The determination of the fair values of investments, where the Company is a minority shareholder and has access to limited information from the investee, reflects numerous assumptions that are subject to various risks and uncertainties, including key assumptions regarding the investee's expected growth rates and operating margin, as well as other key assumptions with respect to matters outside of the Company's control, such as discount rates and market comparables.
Derivatives
In the normal course of business, the Company is exposed to the impact of foreign currency fluctuations. The Company mitigates these risks by following established risk management policies and procedures, including the use of derivatives. The Company enters into foreign currency exchange contracts to hedge its exposure to the impact of movements in foreign currency exchange rates on its transactional balances denominated in currencies other than the functional currency. The Company does not use derivatives for trading or speculative purposes.
The Company's derivative instruments are valued using pricing models. Pricing models take into account the contract terms as well as multiple inputs where applicable, such as interest rate yield curves, option volatility, and foreign currency exchange rates. The valuation of derivatives is considered "Level 2" fair value measurement. The Company's derivative instruments are typically short-term in nature. The Company reports the fair values of its derivative assets and liabilities on a gross basis in the Consolidated Balance Sheets in "Other current assets" and "Accrued expenses and other current liabilities," respectively.
See Note 12 for information on the embedded derivative liability related to the convertible senior notes that matured in May 2025.
As of December 31, 2025 and 2024, the Company did not designate any derivatives as hedges for accounting purposes. Gains and losses resulting from changes in the fair values of derivative instruments are recognized in "Other income (expense), net" in the Consolidated Statements of Operations in the period that the changes occur and cash flow impacts, if any, are classified within "Net cash provided by operating activities" or "Net cash used in financing activities," as appropriate, in the Consolidated Statements of Cash Flows.
For the Company's foreign currency exchange derivatives outstanding as of December 31, 2025 and 2024, the notional amounts of the foreign currency purchases were $8.9 billion and $8.2 billion, respectively, and the notional amounts of the foreign currency sales were $6.0 billion and $5.5 billion, respectively. The notional amount of a foreign currency exchange derivative contract is the contracted amount of foreign currency to be exchanged and is not recorded in the balance sheet.
The effect of foreign currency exchange derivatives recorded in "Other income (expense), net" in the Consolidated Statements of Operations is as follows:
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| | Year Ended December 31, |
| (In millions) | | 2025 | | 2024 | | 2023 |
Losses on foreign currency exchange derivatives | | $ | (35) | | | $ | (156) | | | $ | (106) | |
Other Financial Assets and Liabilities
At December 31, 2025 and 2024, the Company's cash consisted of bank deposits. Cash equivalents principally include money market fund investments and certificates of deposit and their carrying value generally approximates the fair value as they are readily convertible to known amounts of cash. Other financial assets and liabilities, including restricted cash, accounts payable, accrued expenses, and deferred merchant bookings, are carried at cost which approximates their fair values because of the short-term nature of these items. Accounts receivable and other financial assets measured at amortized cost are carried at cost less an allowance for expected credit losses to present the net amount expected to be collected (see Note 7). See Note 12 for the estimated fair value of the Company's outstanding senior notes, including the estimated fair value of the Company's convertible senior notes.