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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

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

Schedule of stock-based compensation cost

						First Quarter
						2021						2020
						($ in millions)
Stock-based compensation expense						$	16					$	2
Total tax benefit						17						26

Schedule of LTIP awards

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

						First Quarter
						Granted						Weighted-Average Grant-Date Fair Value
Stock options						42,770						$	62.49
RSUs						174,115						238.03
PSUs						49,940						240.61

Schedule of cash proceeds received from share-based payment awards

						First Quarter
						2021						2020
						($ in millions)
Options exercised						212,546						523,238
Cash received upon exercise						$	19					$	43
Related tax benefit realized						7						13

Restricted Stock Units (RSUs)

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

Schedule of share-based compensation, activity

						First Quarter
						2021						2020
						($ in millions)
RSUs vested						257,397						202,299
Common Stock issued net of tax withholding						182,289						143,712
Related tax benefit realized						$	7					$	5

Performance Share Units

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

Schedule of share-based compensation, activity

						First Quarter
						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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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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