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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock-based compensation cost

						Third Quarter												First Nine Months
						2021						2020						2021						2020
						($ in millions)
Stock-based compensation expense						$	14					$	13					$	46					$	25
Total tax benefit						3						10						28						39

Schedule of LTIP awards

During 2021, we granted stock options, restricted stock units (RSUs) and performance share units (PSUs) pursuant to the Long-Term Incentive Plan (LTIP), as follows:

						Third Quarter												First Nine Months
						Granted						Weighted-Average Grant-Date Fair Value						Granted						Weighted-Average Grant-Date Fair Value
Stock options						—						$	—					42,770						$	62.49
RSUs						2,490						258.14						179,345						239.01
PSUs						—						—						50,060						240.69

Schedule of cash proceeds received from share-based payment awards

						Third Quarter												First Nine Months
						2021						2020						2021						2020
						($ in millions)
Options exercised						22,502						313,358						363,982						998,996
Cash received upon exercise						$	2					$	27					$	33					$	82
Related tax benefit realized						1						8						13						24

Restricted Stock Units (RSUs)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of share-based compensation, activity

						Third Quarter												First Nine Months
						2021						2020						2021						2020
						($ in millions)
RSUs vested						1,100						1,635						260,227						203,934
Common Stock issued net of tax withholding						761						1,630						184,272						145,342
Related tax benefit realized						$	—					$	—					$	7					$	4

Performance Share Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of share-based compensation, activity

						First Nine Months
						2021						2020
						($ in millions)
PSUs earned						78,727						235,935
Common Stock issued net of tax withholding						49,967						156,450
Related tax benefit realized						$	1					$	7

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- Definition

Tabular disclosure of cash received from exercise of stock options and similar instruments granted under share-based payment arrangements and tax benefit from exercise of stock options.

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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