v3.26.3
Cash, Cash Equivalents and Marketable Securities - Summary of Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Our Cash, Cash Equivalents and Marketable Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 696 $ 1,010
Unrealized Gain 0 0
Unrealized Loss (2) 0
Fair Value 694 1,010
Money market funds    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 141 155
Unrealized Gain 0 0
Unrealized Loss 0 0
Fair Value 141 155
U.S. treasury securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 180 359
Unrealized Gain 0 0
Unrealized Loss (1) 0
Fair Value 179 359
Corporate securities and commercial paper    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 368 487
Unrealized Gain 0 0
Unrealized Loss (1) 0
Fair Value 367 487
Certificate of deposit    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 7 9
Unrealized Gain 0 0
Unrealized Loss 0 0
Fair Value $ 7 $ 9