v3.26.3
FINANCIAL INSTRUMENTS (Tables)
 9 Months Ended
Sep. 30, 2026
Investments, All Other Investments [Abstract]  
Debt Securities, Available-for-sale
The following tables summarize the Company’s cash and available-for-sale debt securities’ amortized cost, gross unrealized gains, gross unrealized losses, allowance for credit loss, and fair value by significant investment category reported as cash and cash equivalents, short-term investments, or long-term investments (in millions):
As of September 30, 2026
Reported as:
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Allowance for Credit LossFair
Value		Cash and
Cash
Equivalents		Short-
term
Investments		Long-
term
Investments
Cash$649.4 $— $— $— $649.4 $649.4 $— $— 
Level 1:
Money market funds1,879.2 — — — 1,879.2 1,879.2 — — 
U.S. treasuries3,690.5 0.3 (45.7)— 3,645.1 449.5 862.3 2,333.3 
Subtotal5,569.7 0.3 (45.7)— 5,524.3 2,328.7 862.3 2,333.3 
Level 2(1):
Corporate debt securities459.5 — (13.4)(0.1)446.0 — 33.1 412.9 
U.S. government agencies181.3 — (0.6)— 180.7 — 169.0 11.7 
Subtotal640.8 — (14.0)(0.1)626.7 — 202.1 424.6 
Total assets measured at fair value$6,859.9 $0.3 $(59.7)$(0.1)$6,800.4 $2,978.1 $1,064.4 $2,757.9 
As of December 31, 2025
Reported as:
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Allowance for Credit LossFair
Value		Cash and
Cash
Equivalents		Short-
term
Investments		Long-
term
Investments
Cash$514.9 $— $— $— $514.9 $514.9 $— $— 
Level 1:
Money market funds2,287.0 — — — 2,287.0 2,287.0 — — 
U.S. treasuries5,694.3 39.0 (0.9)— 5,732.4 565.1 2,345.5 2,821.8 
Subtotal7,981.3 39.0 (0.9)— 8,019.4 2,852.1 2,345.5 2,821.8 
Level 2(1):
Corporate debt securities167.8 — (0.7)(0.1)167.0 1.0 78.4 87.6 
U.S. government agencies330.6 2.3 (0.1)— 332.8 — 143.0 189.8 
Subtotal498.4 2.3 (0.8)(0.1)499.8 1.0 221.4 277.4 
Total assets measured at fair value$8,994.6 $41.3 $(1.7)$(0.1)$9,034.1 $3,368.0 $2,566.9 $3,099.2 
(1) When sufficient quoted pricing for identical securities is not available, the Company uses market pricing and other observable inputs for similar securities from various third-party data providers.
Summary of Contractual Maturities of Cash Equivalents and Available-For-Sale Investments
The following table summarizes the contractual maturities of the Company’s cash equivalents and available-for-sale debt securities, excluding money market funds (in millions):
As of September 30, 2026
Amortized
Cost		Fair
Value
Mature in less than one year$1,517.1 $1,513.9 
Mature in one to five years2,814.2 2,757.9 
Total$4,331.3 $4,271.8 
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value
The following tables present the breakdown of the available-for-sale debt securities with unrealized losses (in millions):
As of September 30, 2026
Unrealized losses less than 12 monthsUnrealized losses 12 months or greaterTotal
Fair
Value		Unrealized
Losses		Fair
Value		Unrealized
Losses		Fair
Value		Unrealized
Losses
U.S. treasuries$3,198.5 $(45.6)$40.0 $(0.1)$3,238.5 $(45.7)
Corporate debt securities431.2 (13.3)14.8 (0.1)446.0 (13.4)
U.S. government agencies124.7 (0.6)— — 124.7 (0.6)
Total$3,754.4 $(59.5)$54.8 $(0.2)$3,809.2 $(59.7)
As of December 31, 2025
Unrealized losses less than 12 monthsUnrealized losses 12 months or greaterTotal
Fair
Value		Unrealized
Losses		Fair
Value		Unrealized
Losses		Fair
Value		Unrealized
Losses
U.S. treasuries$298.0 $(0.3)$164.4 $(0.6)$462.4 $(0.9)
Corporate debt securities44.5 — 73.6 (0.7)118.1 (0.7)
U.S. government agencies— — 29.2 (0.1)29.2 (0.1)
Total$342.5 $(0.3)$267.2 $(1.4)$609.7 $(1.7)
Summary of Equity Investment Activity
The following table is a summary of the activity related to equity investments (in millions):
Reported as:
December 31, 2025
Carrying Value
Changes in Fair Value (1)
Purchases / Sales / Other (2)
September 30, 2026
Carrying Value
Prepaids and other current assetsIntangible and other assets, net
Equity investments without readily determinable fair value$121.7 $1.7 $12.0 $135.4 $— $135.4 
(1) Recorded in interest and other income, net.
(2) Other includes foreign currency translation gains/(losses).
Derivatives Not Designated as Hedging Instruments
These derivative instruments are used to hedge against balance sheet foreign currency exposures. The related gains and losses were as follows (in millions):
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Recognized gains (losses) in interest and other income, net$(16.3)$13.2 $3.3 $(22.1)
Foreign exchange gains (losses) related to balance sheet remeasurement14.7 (14.3)(9.2)12.2 
Gross Notional Amounts for Derivatives and Aggregate Gross Fair Value Outstanding Total gross notional amounts (in USD) for outstanding derivatives and the aggregate gross fair value at the end of each period were as follows (in millions):
Derivatives Designated as Hedging InstrumentsDerivatives Not Designated as Hedging Instruments
September 30,
2026		December 31,
2025		September 30,
2026		December 31,
2025
Notional amounts:
Forward contracts$688.0 $535.5 $869.0 $798.7 
Gross fair value recorded in:
Prepaids and other current assets$12.5 $8.8 $10.4 $10.7 
Other accrued liabilities8.9 4.1 6.1 6.6