XML 203 R136.htm IDEA: XBRL DOCUMENT v3.20.1
Cash and Cash Equivalents - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash and cash equivalents1 [line items]    
Average maturity of time deposits 38 days 35 days
TL [member]    
Cash and cash equivalents1 [line items]    
Effective interest rate 10.70% 22.50%
USD [member]    
Cash and cash equivalents1 [line items]    
Effective interest rate 2.30% 5.90%
EUR [member]    
Cash and cash equivalents1 [line items]    
Effective interest rate 0.40% 3.30%