v3.19.3.a.u2
Investments and Fair Value Measurement - Summary of Amortized Costs and Fair Value of Financial Assets (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Amortized Cost  
Amortized Cost, Within one year $ 408
Amortized Cost, One year through five years 2,456
Amortized Cost 2,864
Fair Value  
Fair Value, Within one year 408
Fair Value, One year through five years 2,513
Fair Value $ 2,921