Share-Based Compensation	9 Months Ended
Sep. 30, 2013
Share-Based Compensation	5. Share-Based Compensation The Company recognized $11 million and $37 million of share-based compensation expense during the three and nine months ended September 30, 2013, respectively, and $10 million and $35 million of share-based compensation expense during the three and nine months ended September 30, 2012, respectively. The Company’s annual grant of share-based awards generally occurs in the first quarter. During the nine months ended September 30, 2013, the Company granted 1.0 million stock options and 0.5 million restricted stock units at weighted-average estimated fair values of $25.33 and $81.97, respectively. During the nine months ended September 30, 2012, the Company granted 1.0 million stock options and 0.4 million restricted stock units at weighted-average estimated fair values of $21.59 and $65.42, respectively. During the nine months ended September 30, 2013 and 2012, stock options to purchase 0.5 million shares and 1.7 million shares, respectively, were exercised.

Share-Based Compensation

9 Months Ended

Sep. 30, 2013

5. Share-Based Compensation

The Company recognized $11 million and $37 million of share-based compensation expense during the three and nine months ended September 30, 2013, respectively, and $10 million and $35 million of share-based compensation expense during the three and nine months ended September 30, 2012, respectively. The Company’s annual grant of share-based awards generally occurs in the first quarter. During the nine months ended September 30, 2013, the Company granted 1.0 million stock options and 0.5 million restricted stock units at weighted-average estimated fair values of $25.33 and $81.97, respectively. During the nine months ended September 30, 2012, the Company granted 1.0 million stock options and 0.4 million restricted stock units at weighted-average estimated fair values of $21.59 and $65.42, respectively. During the nine months ended September 30, 2013 and 2012, stock options to purchase 0.5 million shares and 1.7 million shares, respectively, were exercised.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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