XML 212 R180.htm IDEA: XBRL DOCUMENT v3.10.0.1
Equity (Liability Award Activity) (Details)
12 Months Ended
Dec. 31, 2018
shares
Stock Options  
Summary of performance share activity  
Exercised Shares Liability Awards (1,611,987)
Expired Shares Liability Awards (2,488,045)
Performance Shares  
Summary of performance share activity  
Shares Outstanding at January 1, 4,033,760
Granted Shares Liability Awards 1,405,903
Forfeited Shares Liability Awards (201,146)
Paid Liability Awards (1,194,283)
Shares Outstanding at December 31, 4,044,234
Vested and expected to vest at December 31, 3,984,022
Restricted Stock Units  
Summary of performance share activity  
Shares Outstanding at January 1, 3,304,377
Granted Shares Liability Awards 1,446,289
Forfeited Shares Liability Awards (201,914)
Paid Liability Awards (1,602,483)
Shares Outstanding at December 31, 2,946,269
Vested and expected to vest at December 31, 2,903,433
Liability Awards Plan | Stock Options  
Summary of performance share activity  
Shares Outstanding at January 1, 681,012
Granted Shares Liability Awards 37,904
Exercised Shares Liability Awards (54,361)
Expired Shares Liability Awards (118,107)
Forfeited Shares Liability Awards 0
Paid Liability Awards 0
Shares Outstanding at December 31, 546,448
Vested and expected to vest at December 31, 539,165
Liability Awards Plan | Performance Shares  
Summary of performance share activity  
Shares Outstanding at January 1, 688,229
Granted Shares Liability Awards 235,076
Exercised Shares Liability Awards 0
Expired Shares Liability Awards 0
Forfeited Shares Liability Awards (142,621)
Paid Liability Awards (186,085)
Shares Outstanding at December 31, 594,599
Vested and expected to vest at December 31, 577,005
Liability Awards Plan | Restricted Stock Units  
Summary of performance share activity  
Shares Outstanding at January 1, 779,076
Granted Shares Liability Awards 392,549
Exercised Shares Liability Awards 0
Expired Shares Liability Awards 0
Forfeited Shares Liability Awards (140,321)
Paid Liability Awards (362,202)
Shares Outstanding at December 31, 669,102
Vested and expected to vest at December 31, 651,263