v3.24.4
Investments (Tables)
 12 Months Ended
Dec. 31, 2024
Debt Securities, Available-for-Sale [Abstract]  
Summary of Investments
The following is a summary of our available-for-sale debt securities recorded within short-term and long-term investments on the consolidated balance sheets (in millions):
 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 

December 31, 2023
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
Available-for-sale debt securities:
Commercial paper$349 $— $— $349 
Corporate notes and bonds3,579 10 (13)3,576 
Certificates of deposit94 — — 94 
U.S. government and agency securities2,081 3 (6)2,078 
Mortgage-backed and asset-backed securities102 — (16)86 
Total available-for-sale debt securities$6,205 $13 $(35)$6,183 
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, 2024
Due within 1 year$3,458 
Due in 1 year through 5 years4,025 
Instruments not due in single maturity86 
Total$7,569