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Debt Investment Maturities (Detail)
$ in Millions
Sep. 30, 2022
USD ($)
Adjusted Cost Basis  
Due in one year or less $ 35,526
Due after one year through five years 50,062
Due after five years through 10 years 17,070
Due after 10 years 1,355
Debt investments, Adjusted Cost Basis 104,013
Estimated Fair Value  
Due in one year or less 35,416
Due after one year through five years 47,328
Due after five years through 10 years 14,925
Due after 10 years 1,191
Total $ 98,860