XML 69 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Recent Accounting Pronouncements (Narrative) (Details) - ASU 2014-09 [Member]
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Net Sales [Member]  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Changes in classification of amounts on adoption of new guidance $ 2
Cost of Goods Sold [Member]  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Changes in classification of amounts on adoption of new guidance $ 1