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AVAILABLE-FOR-SALE DEBT SECURITIES AND EQUITY SECURITIES - Summary of Available-for-Sale Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Amortized Cost    
Within one year $ 1,018  
After one year through five years 1,298  
After five years through ten years 7  
After ten years 7  
Amortized Cost 2,331 $ 2,501
Fair Value    
Within one year 1,008  
After one year through five years 1,268  
After five years through ten years 7  
After ten years 7  
Estimated Fair Value  $ 2,290 $ 2,497