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Debt Investment Maturities (Detail)
$ in Millions
Dec. 31, 2024
USD ($)
Adjusted Cost Basis  
Due in one year or less $ 22,927
Due after one year through five years 33,344
Due after five years through 10 years 7,934
Due after 10 years 1,408
Debt investments, Adjusted Cost Basis 65,613
Estimated Fair Value  
Due in one year or less 22,788
Due after one year through five years 31,774
Due after five years through 10 years 7,325
Due after 10 years 1,294
Total $ 63,181