Investment gains/losses (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Summary of investment gains and losses

Investment gains/losses in the first quarter of 2019 and 2018 are summarized as follows (in millions).

	2019			2018
Equity securities:
Unrealized investment gains (losses) on securities held at the end of the period	$	19,393		$	(7,807	)
Investment gains (losses) during the period		161			(240	)
		19,554			(8,047	)
Fixed maturity securities:
Gross realized gains		5			359
Gross realized losses		(10	)		(138	)
Other		3			17
	$	19,552		$	(7,809	)