XML 153 R137.htm IDEA: XBRL DOCUMENT v3.19.1
Note 23 - Employee Benefits - Actuarial Assumptions (Details)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Bottom of range [member]      
Statement Line Items [Line Items]      
Discount rate [1] 3.90% 3.60% 3.90%
Inflation [1] 2.00% 2.00% 2.00%
Future salary increases [1] 1.00% 1.00% 1.00%
Future pension increases [1] 2.00% 2.00% 2.00%
Medical cost trend rate [1] 4.50% 4.50% 3.80%
Life expectation for an over 65 years old male [1] 83 83 80
Life expectation for an over 65 years old female [1] 85 86 83
Top of range [member]      
Statement Line Items [Line Items]      
Discount rate [1] 9.60% 10.60% 10.50%
Inflation [1] 4.00% 5.00% 5.20%
Future salary increases [1] 7.10% 8.70% 8.50%
Future pension increases [1] 4.00% 4.30% 4.50%
Dental claims trend rate [1]    
Life expectation for an over 65 years old male [1] 87 87 86
Life expectation for an over 65 years old female [1] 89 89 89
Weighted average [member]      
Statement Line Items [Line Items]      
Dental claims trend rate [1] 4.00% 4.30% 4.50%
[1] Includes assumptions in Latin America - North, Latin America - South and Canada.