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Investment Information - Net realized gains and losses (Details) - USD ($)
$ in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2025

Jun. 30, 2024

Jun. 30, 2025

Jun. 30, 2024

Available for sale securities:

Available for sale securities, gross gains on investment sales

$ 69

$ 13

$ 120

$ 63

Available for sale securities, gross losses on investment sales

(56)

(77)

(169)

(155)

Equity securities, at fair value:

Net realized gains (losses) on sales during the period

7

5

54

16

Net unrealized gains (losses) on equity securities still held at reporting date

129

7

34

89

Allowance for credit losses:

Allowance for credit losses - investments related

(8)

4

(8)

(2)

Allowance for credit losses - underwriting related

(2)

(3)

(1)

(2)

Derivative instruments

^[1]

163

1

262

(9)

Other (2)

^[2]

(85)

204

(87)

221

Net realized gains (losses)

229

122

232

189

Fixed maturities

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

20

(4)

22

(2)

Other investments

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

(11)

(28)

2

(30)

Short term investments

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

$ 3

$ 0

$ 3

$ 0

[1]	See note 10 for information on the Company’s derivative instruments.
[2]	Amounts in the 2025 periods primarily include losses related to the anticipated sale of certain alternative investments accounted for under the equity method.

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