Share-Based Incentive Compensation (Table)

6 Months Ended

Jun. 30, 2018

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

Information for fully vested stock option awards [Table Text Block]

The following information relates to fully vested stock option awards at June 30, 2018:

Stock Options	Number	Weighted Average Exercise Price		Weighted Average Contractual Life Remaining	Aggregate Intrinsic Value ($ in millions)
Vested at end of period (1)	6,135,747	$	98.60	6.0 years	$	158
Exercisable at end of period	3,850,199	$	85.96	4.6 years	$	140

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(1) Represents awards for which the requisite service has been rendered, including those that are retirement eligible.