XML 180 R146.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share-Based Compensation (PSU Activity) (Details)
12 Months Ended
Dec. 31, 2018
Performance Cash Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vesting Rule, Measurement Period 3 years
Minimum [Member] | PSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Payout Range 0.00%
Maximum [Member] | PSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Payout Range 200.00%