Stock-based Compensation (Schedule of Restricted Stock Unit Two-Year Performance Cycle) (Details) shares in Millions |
12 Months Ended |
---|---|
Dec. 31, 2015
shares
| |
Two Year Performance Cycle Award Year Two Thousand Thirteen | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Two year Performance Cycle Payout As A Percent Of The Base Award | 127.00% |
Estimated number of shares | 0.0 |
Two Year Performance Cycle Award Year Two Thousand Fourteen | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Two year Performance Cycle Payout As A Percent Of The Base Award | 224.70% |
Estimated number of shares | 0.0 |