Investments in equity securities (Tables)

3 Months Ended

Mar. 31, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of investments in equity securities

Investments in equity securities are summarized as follows (in millions).

	Cost Basis		Net Unrealized Gains		Fair Value
March 31, 2025
Banks, insurance and finance	$	14,268	$	69,229	$	83,497
Consumer products		13,760		87,110		100,870
Commercial, industrial and other		49,097		30,271		79,368
	$	77,125	$	186,610	$	263,735
December 31, 2024
Banks, insurance and finance	$	15,707	$	75,936	$	91,643
Consumer products		12,658		92,091		104,749
Commercial, industrial and other		47,141		28,055		75,196
	$	75,506	$	196,082	$	271,588