INVESTMENTS - Investments in Variable Interest Entities Not Consolidated (Detail) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		$ 65,269	$ 73,290
Other investments		5,958	4,530
Assets		117,566	126,724
Variable Interest Entity, Not Consolidated
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		6,243	6,424
Other investments	[1]	1,124	369
Assets		$ 7,367	$ 6,793

[1] Consists entirely of alternative investments in limited partnerships