Investments in fixed maturity securities (Tables)

6 Months Ended

Jun. 30, 2022

Investments Debt And Equity Securities [Abstract]

Schedule of investments in securities with fixed maturities

Investments in fixed maturity securities as of June 30, 2022 and December 31, 2021 are summarized by type below (in millions).

	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2022
U.S. Treasury, U.S. government corporations and agencies	$	8,893	$	7	$	(159	)	$	8,741
Foreign governments		10,935		14		(122	)		10,827
Corporate bonds		993		257		(3	)		1,247
Other		293		30		(2	)		321
	$	21,114	$	308	$	(286	)	$	21,136
December 31, 2021
U.S. Treasury, U.S. government corporations and agencies	$	3,286	$	22	$	(5	)	$	3,303
Foreign governments		10,998		29		(33	)		10,994
Corporate bonds		1,363		412		(1	)		1,774
Other		317		47		(1	)		363
	$	15,964	$	510	$	(40	)	$	16,434

Schedule of amortized cost and estimated fair value of securities with fixed maturities

The amortized cost and estimated fair value of fixed maturity securities at June 30, 2022 are summarized below by contractual maturity dates. Amounts are in millions. Actual maturities may differ from contractual maturities due to prepayment rights held by issuers.

	Due in one year or less		Due after one year through five years		Due after five years through ten years		Due after ten years		Mortgage- backed securities		Total
Amortized cost	$	10,305	$	10,057	$	460	$	84	$	208	$	21,114
Fair value		10,220		9,888		702		92		234		21,136