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Share-Based Incentive Compensation (Table)
 3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Information for fully vested stock option awards [Table Text Block]
The following information relates to fully vested stock option awards at March 31, 2022:
 
                                           Stock OptionsNumberWeighted
Average
Exercise
Price		Weighted
Average
Contractual
Life
Remaining		Aggregate
Intrinsic
Value
($ in millions)
Vested at end of period (1)
7,437,915 $130.41 6.5 years$389 
Exercisable at end of period4,607,372 $122.31 5.2 years$278 
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(1)Represents awards for which the requisite service has been rendered, including those that are retirement eligible.