Investments (Tables)

9 Months Ended

Sep. 30, 2024

Debt Securities, Available-for-Sale [Abstract]

Schedule of Marketable Debt Securities

The following is a summary of our available-for-sale debt securities recorded within short-term and long-term investments on the condensed consolidated balance sheets (in millions):

	September 30, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available-for-sale debt securities:
Commercial paper	$	297	$	1	$	—	$	298
Corporate notes and bonds	4,566		41		(1)		4,606
Certificates of deposit	42		—		—		42
U.S. government and agency securities	2,196		9		(1)		2,204
Mortgage-backed and asset-backed securities	103		—		(14)		89
Total available-for-sale debt securities	$	7,204	$	51	$	(16)	$	7,239

	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 bonds	3,579		10		(13)		3,576
Certificates of deposit	94		—		—		94
U.S. government and agency securities	2,081		3		(6)		2,078
Mortgage-backed and asset-backed securities	102		—		(16)		86
Total available-for-sale debt securities	$	6,205	$	13	$	(35)	$	6,183

Schedule of Investments Classified by Contractual Maturity Date

The fair values of available-for-sale debt securities, by remaining contractual maturity, are as follows (in millions):

	September 30, 2024
Due within 1 year	$	3,410
Due in 1 year through 5 years	3,740
Instruments not due in single maturity	89
Total	$	7,239