Quarterly report pursuant to Section 13 or 15(d)

Cash, Cash Equivalents and Investments - Schedule of Amortized Cost, Unrealized Gains and Losses and Fair Value of Available-for-Sale Debt Securities (Details)

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Cash, Cash Equivalents and Investments - Schedule of Amortized Cost, Unrealized Gains and Losses and Fair Value of Available-for-Sale Debt Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Amortized cost $ 1,087 $ 846
Unrealized gains 2 1
Fair value 1,089 847
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized cost 806 768
Unrealized gains 2 1
Fair value 808 769
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized cost 124 54
Unrealized gains 0 0
Fair value 124 54
Corporate bonds and notes    
Debt Securities, Available-for-sale [Line Items]    
Amortized cost 157 24
Unrealized gains 0 0
Fair value $ 157 $ 24