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Investments in equity securities (Tables)

9 Months Ended

Sep. 30, 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
September 30, 2025
Banks, insurance and finance	$	14,966			$	82,006			$	96,972
Consumer products		12,198				80,191				92,389
Commercial, industrial and other		56,013				37,867				93,880
	$	83,177			$	200,064			$	283,241
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

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Tabular disclosure of the reconciliation of equity securities from cost basis to fair value.

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