INVESTMENTS (Details - Components of Net investment income) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Investment [Line Items]
Total investment income	$ 3,877	$ 3,191	$ 7,870	$ 6,576
Investment expenses	132	126	246	250
Net investment income	3,745	3,065	7,624	6,326
Fixed maturity securities, including short-term investments
Investment [Line Items]
Total investment income	2,701	2,536	5,354	5,146
Other fixed maturity securities
Investment [Line Items]
Total investment income	281	(10)	608	(31)
Equity securities
Investment [Line Items]
Total investment income	(22)	3	57	(29)
Interest on mortgage and other loans
Investment [Line Items]
Total investment income	518	447	1,016	897
Alternative investments
Investment [Line Items]
Total investment income	345	171	764	508
Real estate
Investment [Line Items]
Total investment income	62	30	131	61
Other investments
Investment [Line Items]
Total investment income	$ (8)	$ 14	$ (60)	$ 24

Amount, before investment expense, of income (loss) earned from investments. Includes unrealized and realized gains (losses).

No definition available.

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- Definition

Line items represent reporting concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

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- Definition

Amount of expenses related to the generation of investment income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.2)
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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- Definition

Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2))
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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