EMPLOYEE BENEFITS (Fair Value of Plan Assets Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2013 Securities
Investment funds - equities: | Research equity portfolio | Minimum
Defined Benefit Plan Disclosure
Number of securities	110
Investment funds - equities: | Research equity portfolio | Maximum
Defined Benefit Plan Disclosure
Number of securities	130
Investment funds - equities: | Research equity portfolio | Information technology
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	19.00%
Investment funds - equities: | Research equity portfolio | Financials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	16.00%
Investment funds - equities: | Research equity portfolio | Health care
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	15.00%
Investment funds - equities: | Research equity portfolio | Consumer discretionary
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	11.00%
Investment funds - equities: | Research equity portfolio | Industrials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	11.00%
Investment funds - equities: | Research equity portfolio | Consumer staples
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	11.00%
Investment funds - equities: | Research equity portfolio | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	17.00%
Investment funds - equities: | International stock funds
Defined Benefit Plan Disclosure
Number of funds	3
Investment funds - equities: | International stock funds | Diversified across regions and countries | Minimum
Defined Benefit Plan Disclosure
Number of securities	50
Investment funds - equities: | International stock funds | Diversified across regions and countries | Maximum
Defined Benefit Plan Disclosure
Number of securities	100
Investment funds - equities: | International stock funds | Diversified across regions and countries | Information technology
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	15.00%
Investment funds - equities: | International stock funds | Diversified across regions and countries | Financials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	24.00%
Investment funds - equities: | International stock funds | Diversified across regions and countries | Health care
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	16.00%
Investment funds - equities: | International stock funds | Diversified across regions and countries | Consumer discretionary
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	13.00%
Investment funds - equities: | International stock funds | Diversified across regions and countries | Industrials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	11.00%
Investment funds - equities: | International stock funds | Diversified across regions and countries | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	21.00%
Investment funds - equities: | International stock funds | Asian (excluding japanese) | Information technology
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	18.00%
Investment funds - equities: | International stock funds | Asian (excluding japanese) | Financials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	27.00%
Investment funds - equities: | International stock funds | Asian (excluding japanese) | Consumer discretionary
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	11.00%
Investment funds - equities: | International stock funds | Asian (excluding japanese) | Consumer staples
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	18.00%
Investment funds - equities: | International stock funds | Asian (excluding japanese) | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	26.00%
Investment funds - equities: | International stock funds | Emerging markets
Defined Benefit Plan Disclosure
Number of positions in portfolio	80
Maximum percentage of investments within fund allocated to one country	25.00%
Investment funds - equities: | International stock funds | Emerging markets | Information technology
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	13.00%
Investment funds - equities: | International stock funds | Emerging markets | Financials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	17.00%
Investment funds - equities: | International stock funds | Emerging markets | Energy
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	12.00%
Investment funds - equities: | International stock funds | Emerging markets | Materials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	14.00%
Investment funds - equities: | International stock funds | Emerging markets | Consumer discretionary
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	14.00%
Investment funds - equities: | International stock funds | Emerging markets | Industrials
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	13.00%
Investment funds - equities: | International stock funds | Emerging markets | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	17.00%
Investment funds - fixed income: | Short-term fund | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	36.00%
Investment funds - fixed income: | Short-term fund | Investment grade
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	23.00%
Investment funds - fixed income: | Short-term fund | Government-related
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	28.00%
Investment funds - fixed income: | Short-term fund | Mortgage
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	13.00%
Investment funds - fixed income: | Bond fund
Defined Benefit Plan Disclosure
Number of funds	2
The maximum of the intermediate maturity fixed income securities fund's portfolio invested in securities below Baa grade (as a percent)	10.00%
The maximum of the intermediate maturity fixed income securities fund's portfolio invested in non-U.S. dollar denominated securities (as a percent)	30.00%
Investment funds - fixed income: | Bond fund | Minimum
Defined Benefit Plan Disclosure
Intermediate maturity fixed income securities debt maturity date (in years)	3 years
Investment funds - fixed income: | Bond fund | Maximum
Defined Benefit Plan Disclosure
Intermediate maturity fixed income securities debt maturity date (in years)	6 years
Investment funds - fixed income: | Bond fund | Other sectors
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	25.00%
Investment funds - fixed income: | Bond fund | Government-related
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	42.00%
Investment funds - fixed income: | Bond fund | Mortgage
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	33.00%
Investment funds - fixed income: | Bond fund | Emerging markets
Defined Benefit Plan Disclosure
Number of positions in portfolio	80
Maximum percentage of investments within fund allocated to one country	25.00%
Investment funds - fixed income: | Bond fund | Emerging markets | Sovereign Local
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	40.00%
Investment funds - fixed income: | Bond fund | Emerging markets | Inflation linked
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	22.00%
Investment funds - fixed income: | Bond fund | Emerging markets | Corporates
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	28.00%
Investment funds - fixed income: | Bond fund | Emerging markets | Sovereign USD
Defined Benefit Plan Disclosure
Sector weighting of fund (as a percent)	10.00%