XML 38 R26.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 4 - Investment in Donlin Gold (Details Textual) - Donlin Gold [Member]
$ in Millions
May 31, 2017
USD ($)
Feb. 28, 2017
Unconsolidated Ventures, Number of Directors, Selected By the Reporting Entity 2  
Equity Method Investment, Aggregate Cost $ 64  
Equity Method Investment, Ownership Percentage 50.00% 50.00%
Unconsolidated Ventures, Number of Directors 4  
Barrick [Member]    
Unconsolidated Ventures, Number of Directors Selected By Venture Partners 2  
Barrick [Member]    
Equity Method Investment, Ownership Percentage 50.00%