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RETIREMENT AND OTHER BENEFIT PROGRAMS - Weighted-Average Assumptions Used in Determining (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Pension benefits | Unfunded Plan | International plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 1.34% 2.02%  
Rate of compensation increase 3.03% 3.08%  
Discount rate 2.02% 2.02% 2.03%
Expected return on plan assets 5.45% 5.58% 5.77%
Rate of compensation increase 3.08% 3.05% 3.11%
Pension benefits | Nonqualified Plan | U.S. and Puerto Rico plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.44% 4.31%  
Rate of compensation increase 3.68% 3.66%  
Discount rate 4.18% 3.60% 4.09%
Expected return on plan assets 6.29% 6.25% 6.50%
Rate of compensation increase 3.66% 3.42% 3.75%
OPEB      
Defined Benefit Plan Disclosure [Line Items]      
Annual rate of increase in the per-capita cost 6.75% 7.00%  
Rate decreased to 5.00% 5.00%  
Annual rate of increase in the per-capita cost 6.75% 7.00% 6.25%
Rate decreased to 5.00% 5.00% 5.00%
OPEB | Nonqualified Plan | U.S. and Puerto Rico plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.16% 4.20%  
Discount rate 4.20% 3.51% 3.89%