Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS - CHANGE IN BENEFIT OBLIGATION AND PLAN ASSETS (Details)

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EMPLOYEE BENEFIT PLANS - CHANGE IN BENEFIT OBLIGATION AND PLAN ASSETS (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Oct. 01, 2014
Amounts recognized in balance sheet:            
Noncurrent asset       $ 6 $ 35  
Rockwood Holdings, Inc            
EMPLOYEE BENEFIT PLANS            
Pension and related liabilities assumed in acquisition           $ 233
Defined Benefit Plans            
EMPLOYEE BENEFIT PLANS            
Non-discretionary employer contributions (as a percent) 6.00%          
Employer matching contribution (as a percent) 4.00%          
Total Employer contribution (as a percent) 10.00%          
Change in plan assets            
Fair value of plan assets at beginning of year $ 3,200          
Fair value of plan assets at end of year 3,100 $ 3,200        
Funded status            
Fair value of plan assets $ 3,200 3,200   3,100 3,200  
Defined Benefit Plans | Minimum            
EMPLOYEE BENEFIT PLANS            
Annual pay credits, percentage of eligible pay 4.00%          
Additional annual pay credits, percentage of eligible pay for participants in the plan on July 1, 2004 1.00%          
Defined Benefit Plans | Maximum            
EMPLOYEE BENEFIT PLANS            
Annual pay credits, percentage of eligible pay 12.00%          
Additional annual pay credits, percentage of eligible pay for participants in the plan on July 1, 2004 8.00%          
Period of additional annual pay credits 5 years          
U.S. Defined Benefit Plans            
Change in benefit obligation            
Benefit obligation at beginning of year $ 961 1,001        
Service cost 30 32 $ 27      
Interest cost 48 43 45      
Actuarial (gain) loss 73 (65)        
Benefits paid (54) (50)        
Benefit obligation at end of year 1,058 961 1,001      
Change in plan assets            
Fair value of plan assets at beginning of year 722 761        
Actual return on plan assets 55 (10)        
Company contributions 5 21        
Benefits paid (54) (50)        
Fair value of plan assets at end of year 728 722 761      
Funded status            
Fair value of plan assets 722 761 761 728 722  
Benefit obligation 961 1,001 1,001 1,058 961  
Accrued benefit cost       (330) (239)  
Amounts recognized in balance sheet:            
Current liability       (6) (6)  
Noncurrent liability       (324) (233)  
Total       (330) (239)  
Non-U.S. Defined Benefit Plans            
Change in benefit obligation            
Benefit obligation at beginning of year 3,010 3,317        
Service cost 34 40 32      
Interest cost 72 79 102      
Participant contributions 5 6        
Plan amendments   (31)        
Foreign currency exchange rate changes (322) (210)        
Settlements/transfers/divestitures (2)          
Curtailments (2) (4)        
Special termination benefits   3 3      
Actuarial (gain) loss 427 (65)        
Benefits paid (119) (125)        
Benefit obligation at end of year 3,103 3,010 3,317      
Change in plan assets            
Fair value of plan assets at beginning of year 2,431 2,587        
Actual return on plan assets 322 40        
Foreign currency exchange rate changes (281) (153)        
Participant contributions 5 6        
Company contributions 60 76        
Benefits paid (119) (125)        
Fair value of plan assets at end of year 2,418 2,431 2,587      
Funded status            
Fair value of plan assets 2,431 2,587 2,587 2,418 2,431  
Benefit obligation 3,010 3,317 3,317 3,103 3,010  
Accrued benefit cost       (685) (579)  
Amounts recognized in balance sheet:            
Noncurrent asset       6 35  
Current liability       (5) (5)  
Noncurrent liability       (686) (609)  
Total       (685) (579)  
U.S. Other Postretirement Benefit Plans            
Change in benefit obligation            
Benefit obligation at beginning of year 88 137        
Service cost 2 4 3      
Interest cost 4 5 5      
Participant contributions 2 3        
Plan amendments   (40)        
Actuarial (gain) loss 9 (9)        
Benefits paid (11) (12)        
Benefit obligation at end of year 94 88 137      
Change in plan assets            
Participant contributions 2 3        
Company contributions 9 9        
Benefits paid (11) (12)        
Funded status            
Benefit obligation 88 137 137 94 88  
Accrued benefit cost       (94) (88)  
Amounts recognized in balance sheet:            
Current liability       (8) (9)  
Noncurrent liability       (86) (79)  
Total       (94) (88)  
Non-U.S. Other Postretirement Benefit Plans            
Change in benefit obligation            
Benefit obligation at beginning of year 5 6        
Plan amendments (3)          
Foreign currency exchange rate changes   (1)        
Benefit obligation at end of year 2 5 6      
Funded status            
Benefit obligation $ 5 $ 6 $ 6 2 5  
Accrued benefit cost       (2) (5)  
Amounts recognized in balance sheet:            
Noncurrent liability       (2) (5)  
Total       $ (2) $ (5)