EMPLOYEE BENEFITS (Details - Changes in Level 3 fair value measurements) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Changes in Level 3 fair value measurements
Issuances	$ 0	$ 0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	264	487
Pensions \| U.S.
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	4,350	3,843
Net Realized and Unrealized Gains (Losses)	(204)	584
Fair value of plan assets, end of year	3,840	4,350
Pensions \| U.S. \| Level 3
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	27	26
Net Realized and Unrealized Gains (Losses)	(4)	(3)
Purchases	8	18
Sales	(5)	(14)
Settlements	0	0
Issuances	0	0
Transfers In	1	0
Transfers Out	0	0
Fair value of plan assets, end of year	27	27
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	0	1
Pensions \| U.S. \| Level 3 \| Fixed maturity securities: U.S. investment grade
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	12	2
Net Realized and Unrealized Gains (Losses)	(2)	0
Purchases	5	17
Sales	(3)	(7)
Settlements	0	0
Issuances	0	0
Transfers In	1	0
Transfers Out	0	0
Fair value of plan assets, end of year	13	12
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	1	2
Pensions \| U.S. \| Level 3 \| Direct private equity
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	15	24
Net Realized and Unrealized Gains (Losses)	(2)	(3)
Purchases	3	1
Sales	(2)	(7)
Settlements	0	0
Issuances	0	0
Transfers In	0	0
Transfers Out	0	0
Fair value of plan assets, end of year	14	15
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	(1)	(1)
Pensions \| U.S. \| Level 3 \| Mortgage-backed, asset-backed and collateralized
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	0
Fair value of plan assets, end of year	0	0
Pensions \| U.S. \| Level 3 \| Insurance contracts
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	0
Fair value of plan assets, end of year	0	0
Pensions \| Non U.S. Plans
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	875	803
Net Realized and Unrealized Gains (Losses)	6	67
Fair value of plan assets, end of year	861	875
Pensions \| Non U.S. Plans \| Level 3
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	113	108
Net Realized and Unrealized Gains (Losses)	31	4
Purchases	1	1
Sales	0	0
Settlements	0	0
Issuances	0	0
Transfers In	0	0
Transfers Out	0	0
Fair value of plan assets, end of year	145	113
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	0	0
Pensions \| Non U.S. Plans \| Level 3 \| Direct private equity
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	0
Fair value of plan assets, end of year	0	0
Pensions \| Non U.S. Plans \| Level 3 \| Mortgage-backed, asset-backed and collateralized
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	0
Fair value of plan assets, end of year	0	0
Pensions \| Non U.S. Plans \| Level 3 \| Insurance contracts
Changes in Level 3 fair value measurements
Fair value of plan assets, beginning of year	113	108
Net Realized and Unrealized Gains (Losses)	31	4
Purchases	1	1
Sales	0	0
Settlements	0	0
Issuances	0	0
Transfers In	0	0
Transfers Out	0	0
Fair value of plan assets, end of year	145	113
Changes in Unrealized Gains (Losses) on Instruments Held at End of Year	$ 0	$ 0

Transfers in to Level 3. For example, transfers due to changes in the observability of significant inputs.

No definition available.

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- Definition

Transfers out of Level 3. For example, transfers due to changes in the observability of significant inputs.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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- Definition

Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3).

+ References

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Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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