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Share-Based Incentive Compensation (Table)
 3 Months Ended
Mar. 31, 2023
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, 2023:
                                           Stock OptionsNumberWeighted
Average
Exercise
Price		Weighted
Average
Contractual
Life
Remaining		Aggregate
Intrinsic
Value
($ in millions)
Vested at end of period (1)
7,603,711 $137.41 6.2 years$269 
Exercisable at end of period5,519,783 $127.94 5.3 years$240 
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(1)Represents awards for which the requisite service has been rendered, including those that are retirement eligible.