RETIREMENT BENEFITS (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
U.S. Pension Plans
Discount rate
Discount rate (as a percent)	3.90%	4.70%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.70%	5.45%
Expected return on assets (as a percent)	7.00%	7.50%	7.50%
Effect of one-percentage-point change in the discount rates
Effect of one-percentage-point increase in the discount rates	$ 18	$ 19	$ 19
Effect of one-percentage-point decrease in the discount rates	(36)	(34)	(34)
Effect of one-percentage-point change in the expected rates of return
Effect of one-percentage-point increase in the expected rates of return on pension expense	(120)	(118)	(119)
Effect of one-percentage-point decrease in the expected rates of return on pension expense	120	118	119
Expected returns on Plan assets	897	890	874
Actual return on plan assets	1,303	1,063
Non - U.S. Pension Plans
Effect of one-percentage-point change in the discount rates
Effect of one-percentage-point increase in the discount rates	(48)	(57)	(49)
Effect of one-percentage-point decrease in the discount rates	64	70	56
Effect of one-percentage-point change in the expected rates of return
Effect of one-percentage-point increase in the expected rates of return on pension expense	(64)	(62)	(54)
Effect of one-percentage-point decrease in the expected rates of return on pension expense	64	62	54
Expected returns on Plan assets	399	422	378
Actual return on plan assets	786	526
Non - U.S. Pension Plans \| Minimum
Discount rate
Discount rate (as a percent)	1.50%	1.75%
Future compensation increase rate (as a percent)	1.20%	1.60%
Expected return on assets, Weighted average (as a percent)	0.90%	1.00%
Assumption used in determining net benefit expense
Discount rate (as a percent)	1.75%	1.75%
Future compensation increase rate (as a percent)	1.60%	1.00%
Expected long-term rate of return on assets (as a percent)	1.00%	1.00%
Non - U.S. Pension Plans \| Maximum
Discount rate
Discount rate (as a percent)	28.00%	13.25%
Future compensation increase rate (as a percent)	26.00%	13.30%
Expected return on assets, Weighted average (as a percent)	11.50%	12.50%
Assumption used in determining net benefit expense
Discount rate (as a percent)	13.25%	14.00%
Future compensation increase rate (as a percent)	13.30%	11.00%
Expected long-term rate of return on assets (as a percent)	12.50%	12.50%
Non - U.S. Pension Plans \| Weighted Average
Discount rate
Discount rate (as a percent)	5.24%	5.94%
Future compensation increase rate (as a percent)	3.93%	4.04%
Expected return on assets, Weighted average (as a percent)	5.76%	6.25%
Assumption used in determining net benefit expense
Discount rate (as a percent)	5.94%	6.23%
Future compensation increase rate (as a percent)	4.04%	4.66%
Expected long-term rate of return on assets (as a percent)	6.25%	6.89%
U.S. Postretirement Benefit Plans
Discount rate
Discount rate (as a percent)	3.60%	4.30%
Assumption used in determining net benefit expense
Discount rate (as a percent)	4.30%	5.10%
Health-care cost increase rate for U.S. plans
Following year (as a percent)	8.50%	9.00%
Ultimate rate to which cost increase is assume to decline (as a percent)	5.00%	5.00%
Year in which the ultimate rate is reached	2020	2020
Effect of one-percentage-point change in assumed health-care cost-trend rates
Effect on benefits earned and interest cost, increase	2	2
Effect on benefits earned and interest cost, decrease	(1)	(2)
Effect on accumulated postretirement benefit obligation, increase	44	43
Effect on accumulated postretirement benefit obligation, decrease	(39)	(38)
Effect of one-percentage-point change in the expected rates of return
Expected returns on Plan assets	4	6	8
Actual return on plan assets	$ 7	$ 5
U.S. pension and postretirement benefit plans
Assumption used in determining net benefit expense
Expected long-term rate of return on assets (as a percent)	7.50%	7.50%	7.75%
Effect of one-percentage-point change in the expected rates of return
Actual rate of return (as a percent)	11.79%	11.13%	14.11%
Grandfathered employees in frozen U.S. pension plans \| Minimum
Assumption used in determining net benefit expense
Future compensation increase rate (as a percent)	3.00%
Grandfathered employees in frozen U.S. pension plans \| Maximum
Assumption used in determining net benefit expense
Future compensation increase rate (as a percent)	4.00%
Postemployment Plans
Discount rate
Discount rate (as a percent)	3.10%	3.95%
Health-care cost increase rate for U.S. plans
Following year (as a percent)	8.50%	9.00%
Ultimate rate to which cost increase is assume to decline (as a percent)	5.00%	5.00%
Year in which the ultimate rate is reached	2020	2020

Represents the percentage actual rate of return on asset under defined benefit plan.

No definition available.

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An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation at year end.

+ References

No definition available.

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- Definition

Represents the expected long-term rate of return on assets used in determining the entity's benefit obligation.

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No definition available.

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- Definition

The effect of a one-percentage-point decrease in the discount rates on pension expenses.

+ References

No definition available.

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The effect of a one-percentage-point decrease in the expected rates of return on pension expenses.

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No definition available.

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The effect of a one-percentage-point increase in the discount rates on pension expenses.

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The effect of a one-percentage-point increase in the expected rates of return on pension expenses.

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No definition available.

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- Definition

The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

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-Glossary Actual Return on Plan Assets (Component of Net Periodic Postretirement Benefit Cost)

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

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- Definition

The interest rate used to adjust for the time value of money.

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

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Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

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Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

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- Definition

The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

+ References

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The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

+ References

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- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

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The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

+ References

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The ultimate trend rate for health care costs.

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Year the ultimate health care cost trend rate is expected to be reached, in CCYY format.

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