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Investments (Tables)
 12 Months Ended
Dec. 31, 2022
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, 2022
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
Available-for-sale securities:
Commercial paper$558 $— $(2)$556 
Corporate notes and bonds3,414 — (52)3,362 
Certificates of deposit162 — — 162 
U.S. government and agency securities768 — (2)766 
Mortgage-backed and asset-backed securities98 — (17)81 
Total available-for-sale securities$5,000 $— $(73)$4,927 
December 31, 2021
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
Available-for-sale securities:
Commercial paper$528 $— $— $528 
Corporate notes and bonds2,418 1 (7)2,412 
Certificates of deposit28 — — 28 
U.S. government and agency securities140 — — 140 
Mortgage-backed and asset-backed securities100 — (2)98 
Total available-for-sale securities$3,214 $1 $(9)$3,206 
Investments Classified by Contractual Maturity Date The fair values of available-for-sale securities, by remaining contractual maturity, are as follows (in millions):
December 31, 2022
Due within 1 year$2,810 
Due in 1 year through 5 years2,036 
Instruments not due in single maturity81 
Total$4,927