XML 71 R63.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Investments in equity securities (Detail) - USD ($)
$ in Millions
Jun. 30, 2024
 [1]
Dec. 31, 2023
 [2]
Summary of Investment Holdings [Line Items]    
Cost Basis $ 88,453 $ 109,416
Net Unrealized Gains 196,418 244,426
Fair Value 284,871 353,842
Banks, insurance and finance [Member]    
Summary of Investment Holdings [Line Items]    
Cost Basis 28,585 27,136
Net Unrealized Gains 66,341 51,176
Fair Value 94,926 78,312
Consumer products [Member]    
Summary of Investment Holdings [Line Items]    
Cost Basis 14,862 34,248
Net Unrealized Gains 98,407 166,895
Fair Value 113,269 201,143
Commercial, industrial and other [Member]    
Summary of Investment Holdings [Line Items]    
Cost Basis 45,006 48,032
Net Unrealized Gains 31,670 26,355
Fair Value $ 76,676 $ 74,387
[1] Approximately 72% of the aggregate fair value was concentrated in five companies (American Express Company – $35.1 billion; Apple Inc. – $84.2 billion; Bank of America Corporation – $41.1 billion; The Coca-Cola Company – $25.5 billion and Chevron Corporation – $18.6 billion).
[2] Approximately 79% of the aggregate fair value was concentrated in five companies (American Express Company – $28.4 billion; Apple Inc. – $174.3 billion; Bank of America Corporation – $34.8 billion; The Coca-Cola Company – $23.6 billion and Chevron Corporation – $18.8 billion).