REINSURANCE (Details - Long-Duration Reinsurance) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jul. 01, 2016 USD ($)	Feb. 07, 2014 USD ($) item
Life insurance ratios
Assumed insurance as a percent of gross premiums	1.80%
Letters of credit
Letter of credit outstanding	$ 139
New letter of credit
Letters of credit
Letters of credit obtained on a bilateral basis related to long-duration intercompany reinsurance transactions					$ 450
Number of new bilateral letters of credit | item					2
Long-duration insurance in force
Premiums earned:
Reinsurance recoveries, which reduced policyholder benefits and claims incurred	1,000	$ 1,000	$ 1,000
Life insurance ratios
Long-duration insurance in force ceded	$ 202,402	$ 174,363	$ 177,025
Assumed insurance as a percentage of gross long-duration insurance in force	0.03%	0.03%	0.04%
Assumed insurance as a percent of gross premiums	5.00%	3.00%	0.10%
Life insurance companies
Premiums earned:
Direct	$ 5,338	$ 4,732	$ 5,240
Ceded	(809)	(789)	(756)
Net	$ 4,529	3,943	$ 4,484
Letters of credit
Ceded Statutory Reserves		$ 14,000		$ 5,000