RETIREMENT BENEFITS - Expected Rate of Return (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. Pension Plans
Defined Benefit Plan Disclosure
Expected return on assets (as a percent)	7.00%	7.00%
Expected return on assets (as a percent)	7.00%	7.00%
Actual return on plan assets	$ 1,108
U.S. Qualified Pension Plan
Defined Benefit Plan Disclosure
Expected return on plan assets	878	863	897
Non - U.S. Pension Plans
Defined Benefit Plan Disclosure
Expected return on assets (as a percent)	5.08%	5.68%
Expected return on plan assets	$ 384	$ 396	$ 399
U.S. pension and postretirement benefit plans
Defined Benefit Plan Disclosure
Expected return on assets (as a percent)	7.00%	7.00%	7.00%
Expected return on assets (as a percent)	7.00%	7.00%	7.50%
Actual rate of return (as a percent)	7.80%	6.00%	11.00%

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

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, other expenses and the cumulative effect of changes in accounting policy, as applicable.

+ 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.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512136

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Glossary Expected Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512171

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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