EXPENSES ASSOCIATED WITH LONG-DURATION INSURANCE PRODUCTS - Schedule of Deferred Acquisition Cost and Future Policy Benefits Payable With Our Long-Duration Insurance Products (Detail) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Insurance [Abstract]
Other long-term assets, Deferred acquisition costs	$ 36	$ 103
Trade accounts payable and accrued expenses, Deferred acquisition cost	0	0
Long-term liabilities, Deferred acquisition cost	0	0
Total asset (liability), Deferred acquisition cost	36	103
Other long-term assets, Future policy benefits payable	0	0
Trade accounts payable and accrued expenses, Future policy benefits payable	0	(56)
Long-term liabilities, Future policy benefits payable	(219)	(2,923)
Total asset (liability), Future policy benefits payable	$ (219)	$ (2,979)