Equity (Liability Award Activity) (Details)	12 Months Ended
	Dec. 31, 2013
Stock Options [Member]
Summary of performance share activity
Exercised Shares Under Option	(6,357,522)
Vesting period	3 years
Stock Options [Member] | Phantom Share Units [Member]
Summary of performance share activity
Shares Outstanding at January 1,	1,370,317
Granted Shares	48,301
Exercised Shares Under Option	(127,386)
Forfeited Shares	(69,606)
Paid	0
Shares Outstanding at December 31,	1,221,626
Expected to vest at December 31,	1,137,832
Stock Options [Member] | Phantom Share Units [Member] | Minimum [Member]
Summary of performance share activity
Vesting period	1 year
Stock Options [Member] | Phantom Share Units [Member] | Maximum [Member]
Summary of performance share activity
Vesting period	3 years
Performance Shares [Member]
Summary of performance share activity
Shares Outstanding at January 1,	4,822,028
Granted Shares	1,749,212
Forfeited Shares	(151,075)
Paid	(1,346,025)
Shares Outstanding at December 31,	5,074,140
Expected to vest at December 31,	5,067,337
Vesting period	3 years
Performance Shares [Member] | Phantom Share Units [Member]
Summary of performance share activity
Shares Outstanding at January 1,	305,164
Granted Shares	297,834
Exercised Shares Under Option	0
Forfeited Shares	(15,761)
Paid	(55,349)
Shares Outstanding at December 31,	531,888
Expected to vest at December 31,	478,699
Restricted Stock Units [Member]
Summary of performance share activity
Shares Outstanding at January 1,	2,080,148
Granted Shares	2,182,213
Forfeited Shares	(395,365)
Paid	(538,480)
Shares Outstanding at December 31,	3,328,516
Expected to vest at December 31,	2,995,664
Vesting period	3 years
Restricted Stock Units [Member] | Phantom Share Units [Member]
Summary of performance share activity
Shares Outstanding at January 1,	740,436
Granted Shares	445,740
Exercised Shares Under Option	0
Forfeited Shares	(127,329)
Paid	(79,325)
Shares Outstanding at December 31,	979,522
Expected to vest at December 31,	881,570
Vesting period	3 years