Stock-Based Compensation	9 Months Ended
Stock-Based Compensation	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation Compensation expense related to stock options for the three and nine months ended September 30, 2014 totaled $26 million and $76 million, respectively, compared to $25 million and $73 million for the three and nine months ended September 30, 2013, respectively. Compensation expense related to restricted stock awards for the three and nine months ended September 30, 2014 totaled $18 million and $45 million, respectively, compared to $10 million and $28 million for the three and nine months ended September 30, 2013, respectively. The Company had 29 million stock options outstanding as of September 30, 2014 with a weighted average exercise price of $47.16 and a weighted average contractual term of 4.33 years.

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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