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Investment gains (losses) (Tables)

9 Months Ended

Sep. 30, 2025

Investments, Debt and Equity Securities [Abstract]

Summary of investment gains (losses)

Investment gains (losses) are summarized as follows (in millions).

	Third Quarter								First Nine Months
	2025				2024				2025				2024
Investment gains (losses):
Equity securities:
Increase in unrealized investment gains during the      period on securities held at the end of the period	$	20,555			$	18,643			$	23,559			$	45,053
Investment gains (losses) on securities sold during the period		1,365				1,868				(820	)			1,221
		21,920				20,511				22,739				46,274
Fixed maturity securities:
Gross realized gains		27				23				43				37
Gross realized losses		(13	)			(17	)			(68	)			(57	)
Other		5				(3	)			(846	)			(7	)
	$	21,939			$	20,514			$	21,868			$	46,247

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- Definition

Tabular disclosure of realized and unrealized gain (loss) on investment in security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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X

- References

No definition available.

+ Details

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