Share-Based Incentive Compensation (Table)

3 Months Ended

Mar. 31, 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 March 31, 2018:

Stock Options	Number	Weighted Average Exercise Price		Weighted Average Contractual Life Remaining	Aggregate Intrinsic Value ($ in millions)
Vested at end of period (1)	6,207,090	$	98.23	6.6 years	$	253
Exercisable at end of period	3,696,007	$	84.13	5.2 years	$	202

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