XML 58 R45.htm IDEA: XBRL DOCUMENT v3.21.2
Investments and Fair Value Measurement - Summary of Amortized Costs and Fair Value of Financial Assets (Details)
$ in Millions
Sep. 30, 2021
USD ($)
Amortized Cost  
Amortized Cost, Within one year $ 0
Amortized Cost, One year through five years 2,281
Amortized Cost 2,281
Fair Value  
Fair Value, Within one year 0
Fair Value, One year through five years 4,089
Fair Value $ 4,089