Investments in equity securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments Debt And Equity Securities [Abstract]

Schedule of investments in equity securities

Investments in equity securities as of September 30, 2022 and December 31, 2021 are summarized as follows (in millions).

	Cost Basis		Net Unrealized Gains		Fair Value
September 30, 2022*
Banks, insurance and finance	$	32,148	$	36,817	$	68,965
Consumer products		41,106		116,615		157,721
Commercial, industrial and other		69,056		10,425		79,481
	$	142,310	$	163,857	$	306,167

* Approximately 73% of the aggregate fair value was concentrated in five companies (American Express Company – $20.5 billion; Apple Inc. – $126.5 billion; Bank of America Corporation – $31.2 billion; The Coca-Cola Company – $22.4 billion and Chevron Corporation – $24.4 billion).

	Cost Basis		Net Unrealized Gains		Fair Value
December 31, 2021*
Banks, insurance and finance	$	26,822	$	62,236	$	89,058
Consumer products		36,076		154,945		191,021
Commercial, industrial and other		41,707		28,933		70,640
	$	104,605	$	246,114	$	350,719

* Approximately 73% of the aggregate fair value was concentrated in four companies (American Express Company – $24.8 billion; Apple Inc. – $161.2 billion; Bank of America Corporation – $46.0 billion and The Coca-Cola Company – $23.7 billion).