Income Taxes - Temporary Differences (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred income tax assets:
Investments	$ 1,452	$ 260
Amounts due reinsurer	1,113	0
Policy benefit reserves	0	138
Net operating loss carryforwards	309	31
Bermuda tax asset	377	35
Other	29	0
Gross deferred tax assets before valuation allowance	3,280	464
Valuation allowance	(5)	(5)
Gross deferred tax assets after valuation allowance	3,275	459
Deferred income tax liabilities:
VOBA/Intangibles	1,810	0
Deferred policy acquisition costs	89	81
Policy benefit reserves	1,086	0
Pension and liability for retirement benefits	57	49
Other	0	38
Gross deferred tax liabilities	3,042	168
Net deferred income tax asset	$ 233	$ 291	$ 439

The amount as of the balance sheet date of the estimated future tax effects attributable to differences between the methods used to account for reinsurance arrangements for tax purposes and under generally accepted accounting principles which will decrease future taxable income when such differences reverse.

No definition available.