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Debt Investment Maturities (Detail)
$ in Millions
Dec. 31, 2022
USD ($)
Adjusted Cost Basis  
Due in one year or less $ 28,885
Due after one year through five years 50,751
Due after five years through 10 years 14,845
Due after 10 years 1,348
Debt investments, Adjusted Cost Basis 95,829
Estimated Fair Value  
Due in one year or less 28,758
Due after one year through five years 48,134
Due after five years through 10 years 13,012
Due after 10 years 1,205
Total $ 91,109