FAIR VALUE MEASUREMENTS (Details - Carrying values and estimated fair values of our financial instruments not measured at fair value) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets:
Mortgage and other loans receivable	$ 37,023	$ 33,240
Short-term investments	10,386	12,302
Cash	2,362	1,868	$ 1,629	$ 1,758
Liabilities:
Other liabilities	26,050	26,296
Long-term Debt	31,640	30,912
Total Fair Value
Assets:
Mortgage and other loans receivable	37,761	33,736
Other invested assets	596	3,008
Short-term investments	7,771	8,961
Cash	2,362	1,868
Liabilities:
Policyholder contract deposits associated with investment-type contracts	122,196	122,124
Other liabilities	4,494	4,196
Long-term Debt	28,243	26,450
Level 1
Assets:
Mortgage and other loans receivable	0	0
Other invested assets	0	0
Short-term investments	0	0
Cash	2,362	1,868
Liabilities:
Policyholder contract deposits associated with investment-type contracts	0	0
Other liabilities	0	0
Long-term Debt	0	0
Level 2
Assets:
Mortgage and other loans receivable	117	161
Other invested assets	590	955
Short-term investments	7,771	8,961
Cash	0	0
Liabilities:
Policyholder contract deposits associated with investment-type contracts	387	382
Other liabilities	4,494	4,196
Long-term Debt	23,930	23,117
Level 3
Assets:
Mortgage and other loans receivable	37,644	33,575
Other invested assets	6	2,053
Short-term investments	0	0
Cash	0	0
Liabilities:
Policyholder contract deposits associated with investment-type contracts	121,809	121,742
Other liabilities	0	0
Long-term Debt	4,313	3,333
Carrying Value
Assets:
Mortgage and other loans receivable	37,018	33,229
Other invested assets	593	3,474
Short-term investments	7,771	8,961
Cash	2,362	1,868
Liabilities:
Policyholder contract deposits associated with investment-type contracts	114,326	112,705
Other liabilities	4,494	4,196
Long-term Debt	$ 28,752	$ 27,484