Stock-Based Incentive Plan (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The following table summarizes stock option activity:



	Number of Shares Under Option		Weighted Average Exercise Price per Share
Outstanding at December 31, 2012	16,616,617		$	19.54
Options granted	1,168,837		30.62
Options exercised	(1,607,628	)	17.86
Options forfeited	(188,576	)	22.13
Outstanding at March 31, 2013	15,989,250		$	20.49
Vested and expected to vest at March 31, 2013	15,084,161		$	20.35
Options exercisable at March 31, 2013	9,774,159		$	18.51

Status Of Company's Nonvested Restricted Stock And Restricted Stock Unit Awards And Changes

A summary of the status of the Company’s nonvested restricted stock and restricted stock unit awards, including performance based restricted stock, as of March 31, 2013 and the changes during the three months ended March 31, 2013 are presented below:



	Number of Restricted Stock Awards		Weighted Average Grant-Date Fair Value per Share
Nonvested at December 31, 2012	2,498,316		$	22.47
Granted	1,791,903		30.86
Released	(745,307	)	21.82
Forfeited	(58,564	)	23.03
Nonvested at March 31, 2013	3,486,348		$	26.92