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Share-Based Incentive Compensation
3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Share-Based Incentive Compensation SHARE-BASED INCENTIVE COMPENSATION
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.

The total compensation cost for all share-based incentive compensation awards recognized in earnings was $69 million and $59 million for the three months ended March 31, 2023 and 2022, respectively. The related tax benefits recognized in earnings were $11 million and $10 million for the three months ended March 31, 2023 and 2022, respectively.

The total unrecognized compensation cost related to all nonvested share-based incentive compensation awards at March 31, 2023 was $324 million, which is expected to be recognized over a weighted-average period of 2.2 years.