Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS - ASSUMPTIONS AND LESS SIGNIFICANT PLANS (Details 3)

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PENSION AND OTHER POSTRETIREMENT BENEFITS - ASSUMPTIONS AND LESS SIGNIFICANT PLANS (Details 3)
$ in Millions
 12 Months Ended
Dec. 31, 2015
USD ($)
country
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Less Significant Plan Defined Benefit      
Less Significant Defined Benefit and Postretirement Plans      
Less Significant Defined Benefit Plans Applicable to Number of Countries | country 14    
Maximum Percentage of Defined Benefit Plans Assets Included in Other Liabilities and Deferred Revenue 3.00%    
Maximum Percentage of defined benefit plans and other postretirement plans, obligations included in Other Liabilities and Deferred Revenue 5.00%    
Less Significant Other Postretirement Benefit Plans Defined Benefit      
Less Significant Defined Benefit and Postretirement Plans      
Less Significant Postretirement Benefit Plans Applicable To Number of Countries | country 4    
Maximum Percentage of defined benefit plans and other postretirement plans, obligations included in Other Liabilities and Deferred Revenue 3.00%    
U.S. Plans      
Pension and other postretirement benefits      
Fair value of plan assets $ 2,636 $ 2,713 $ 2,445
Assumptions Used in Determining the Pension Benefit Obligation      
Discount rate (as a percent) 4.47% 4.07%  
Compensation increase rate (as a percent) 4.88% 4.88%  
Assumptions Used in Determining the Net Periodic Pension Cost      
Discount rate as a percent (as a percent) 4.07% 4.83% 3.97%
Expected return on plan assets (as a percent) 7.50% 7.50% 8.00%
Compensation increase rate (as a percent) 4.88% 4.91% 4.91%
Target Allocations      
Percentage assumption for the expected return on assets for following year 7.50%    
Asset allocation as a percent 100.00%    
U.S. Plans | U.S. Equity      
Target Allocations      
Asset allocation as a percent 9.00%    
Asset allocation, minimum range (as a percent) (5.00%)    
Asset allocation, maximum range (as a percent) 5.00%    
U.S. Plans | Non-U.S. Equity      
Target Allocations      
Asset allocation as a percent 3.00%    
Asset allocation, minimum range (as a percent) (3.00%)    
Asset allocation, maximum range (as a percent) 3.00%    
U.S. Plans | Global Equities      
Target Allocations      
Asset allocation as a percent 6.00%    
Asset allocation, minimum range (as a percent) (3.00%)    
Asset allocation, maximum range (as a percent) 3.00%    
U.S. Plans | Equity Securities      
Target Allocations      
Asset allocation as a percent 18.00%    
U.S. Plans | Real estate      
Target Allocations      
Asset allocation as a percent 7.00%    
Asset allocation, minimum range (as a percent) (7.00%)    
Asset allocation, maximum range (as a percent) 3.00%    
U.S. Plans | Private equity      
Target Allocations      
Asset allocation as a percent 7.00%    
Asset allocation, minimum range (as a percent) (7.00%)    
Asset allocation, maximum range (as a percent) 3.00%    
U.S. Plans | Opportunistic      
Target Allocations      
Asset allocation as a percent 4.00%    
Asset allocation, minimum range (as a percent) (4.00%)    
Asset allocation, maximum range (as a percent) 6.00%    
U.S. Plans | Fixed income      
Target Allocations      
Asset allocation as a percent 64.00%    
Asset allocation, minimum range (as a percent) (5.00%)    
Asset allocation, maximum range (as a percent) 5.00%    
Asset allocation covers exposure to changes in portion of discount rate (as a percent) 95.00%    
Non-U.S. Plans      
Pension and other postretirement benefits      
Fair value of plan assets $ 1,712 $ 1,724 $ 1,516
Assumptions Used in Determining the Pension Benefit Obligation      
Discount rate (as a percent) 3.95% 3.80%  
Compensation increase rate (as a percent) 3.75% 4.25%  
Assumptions Used in Determining the Net Periodic Pension Cost      
Discount rate as a percent (as a percent) 3.80% 4.60% 4.70%
Expected return on plan assets (as a percent) 5.80% 5.80% 5.80%
Compensation increase rate (as a percent) 4.25% 4.50% 4.00%
Target Allocations      
Percentage assumption for the expected return on assets for following year 4.70%    
Asset allocation as a percent 100.00%    
Non-U.S. Plans | Global Equities      
Target Allocations      
Asset allocation as a percent 23.00%    
Non-U.S. Plans | Real estate      
Target Allocations      
Asset allocation as a percent 5.00%    
Non-U.S. Plans | Reinsurance      
Target Allocations      
Asset allocation as a percent 8.00%    
Non-U.S. Plans | Corporate Credit Instruments      
Target Allocations      
Asset allocation as a percent 7.50%    
Non-U.S. Plans | Fixed income      
Target Allocations      
Asset allocation as a percent 56.50%    
Other Postretirement Benefit Plan      
Assumptions Used in Determining the Pension Benefit Obligation      
Discount rate (as a percent) 4.35% 3.90%  
Assumptions Used in Determining the Net Periodic Pension Cost      
Discount rate as a percent (as a percent) 3.90% 4.55% 3.70%
Target Allocations      
Annual rate of increase in the per capita cost of covered health care benefits 8.00%    
Ultimate per capita trend rate for health care costs 5.00%    
Increase in APBO due to increase of one percent $ 20    
Decrease in net periodic other postretirement benefit expense due to decrease in health care cost trends of one percent 1    
Decrease in APBO due to decrease in health care cost rends of one percent 17    
Increase in net periodic other postretirement benet expense due to incease in health care cost trend rates of one percent $ 1