XML 60 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 2 - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Restricted Cash And Cash Equivalents Items [Line Items]        
Cash and cash equivalents $ 342 $ 434    
Long-term restricted cash 11 36    
Total cash, cash equivalents and restricted cash shown in the Statement of Cash Flows 366 478 $ 534 $ 600
Other Current Assets [Member]        
Restricted Cash And Cash Equivalents Items [Line Items]        
Restricted cash included in Other current assets $ 13 $ 8