Investments in equity securities (Tables)

6 Months Ended

Jun. 30, 2019

Investments Debt And Equity Securities [Abstract]

Schedule of investments in equity securities

Investments in equity securities as of June 30, 2019 and December 31, 2018 are summarized based on the primary industry of the investee in the table below (in millions).

	Cost Basis		Net Unrealized Gains		Fair Value
June 30, 2019*
Banks, insurance and finance	$	45,796	$	50,659	$	96,455
Consumer products		39,008		35,064		74,072
Commercial, industrial and other		17,816		12,173		29,989
	$	102,620	$	97,896	$	200,516

* Approximately 69% of the aggregate fair value was concentrated in five companies (American Express Company – $18.7 billion; Apple Inc. – $50.5 billion; Bank of America Corporation – $27.6 billion; The Coca-Cola Company – $20.4 billion and Wells Fargo & Company – $20.5 billion).

Notes to Consolidated Financial Statements (Continued)

Note 4. Investments in equity securities (Continued)

	Cost Basis		Net Unrealized Gains		Fair Value
December 31, 2018*
Banks, insurance and finance	$	44,332	$	38,260	$	82,592
Consumer products		38,783		22,838		61,621
Commercial, industrial and other		19,752		8,792		28,544
	$	102,867	$	69,890	$	172,757

* Approximately 68% of the aggregate fair value was concentrated in five companies (American Express Company – $14.5 billion; Apple Inc. – $40.3 billion; Bank of America Corporation – $22.6 billion; The Coca-Cola Company – $18.9 billion and Wells Fargo & Company – $20.7 billion).