v3.25.4
Investments (Tables)
 12 Months Ended
Dec. 31, 2025
Debt Securities, Available-for-Sale [Abstract]  
Summary of Investments
The following is a summary of our available-for-sale debt securities recorded within marketable securities and long-term marketable securities on the consolidated balance sheets (in millions):
 December 31, 2025
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
Available-for-sale debt securities:
Commercial paper$173 $— $— $173 
Corporate notes and bonds4,759 34 — 4,793 
Certificates of deposit11 — — 11 
U.S. government and agency securities1,257 6 — 1,263 
Mortgage-backed and asset-backed securities103 — (14)89 
Total available-for-sale debt securities$6,303 $40 $(14)$6,329 
December 31, 2024
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
Available-for-sale debt securities:
Commercial paper$336 $— $— $336 
Corporate notes and bonds4,966 15 (5)4,976 
Certificates of deposit67 — — 67 
U.S. government and agency securities2,103 3 (2)2,104 
Mortgage-backed and asset-backed securities104 — (18)86 
Total available-for-sale debt securities$7,576 $18 $(25)$7,569 
Investments Classified by Contractual Maturity Date The fair values of available-for-sale debt securities, by remaining contractual maturity, are as follows (in millions):
December 31, 2025
Due within 1 year$2,557 
Due in 1 year through 5 years3,683 
Instruments not due in single maturity89 
Total$6,329