XML 64 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Major Accounting Policies - Revenue Recognition (Details)
$ in Millions
12 Months Ended
Dec. 31, 2014
segment
Jan. 01, 2018
USD ($)
New accounting pronouncements implemented    
Number of operating segments | segment 4  
Minimum | ASU 2014-09    
New accounting pronouncements implemented    
Decrease in expected earnings   $ 300
Maximum | ASU 2014-09    
New accounting pronouncements implemented    
Decrease in expected earnings   $ 350