Investments in equity securities (Tables)

6 Months Ended

Jun. 30, 2020

Investments Debt And Equity Securities [Abstract]

Schedule of investments in equity securities

Investments in equity securities as of June 30, 2020 and December 31, 2019 are summarized based on the primary industry of the investee in the tables below (in millions).

	Cost Basis		Net Unrealized Gains		Fair Value
June 30, 2020*
Banks, insurance and finance	$	31,164	$	28,081	$	59,245
Consumer products		38,706		73,990		112,696
Commercial, industrial and other		26,193		9,320		35,513
	$	96,063	$	111,391	$	207,454

* Approximately 71% of the aggregate fair value was concentrated in four companies (American Express Company – $14.4 billion; Apple Inc. – $91.5 billion; Bank of America Corporation – $22.6 billion and The Coca-Cola Company – $17.9 billion).

	Cost Basis		Net Unrealized Gains		Fair Value
December 31, 2019*
Banks, insurance and finance	$	40,419	$	61,976	$	102,395
Consumer products		38,887		60,747		99,634
Commercial, industrial and other		31,034		14,964		45,998
	$	110,340	$	137,687	$	248,027

* Approximately 60% of the aggregate fair value was concentrated in four companies (American Express Company – $18.9 billion; Apple Inc. – $73.7 billion; Bank of America Corporation – $33.4 billion and The Coca-Cola Company – $22.1 billion).