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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Cost

						Second Quarter												First Six Months
						2024						2023						2024						2023
						($ in millions)
Stock-based compensation expense						$	13					$	11					$	32					$	22
Total tax benefit						3						3						8						9

Schedule of LTIP Awards

During 2024, we granted stock options, restricted stock units (RSUs) and performance share units (PSUs) pursuant to the Long-Term Incentive Plan (LTIP), as follows:

						Second Quarter												First Six Months
						Granted						Weighted-Average Grant-Date Fair Value						Granted						Weighted-Average Grant-Date Fair Value
Stock options						8,090						$	83.48					72,430						$	80.08
RSUs						29,941						240.18						226,509						234.61
PSUs						5,420						248.86						58,020						259.02

Schedule of Cash Proceeds Received from Share-Based Payment Awards

						Second Quarter												First Six Months
						2024						2023						2024						2023
						($ in millions)
Options exercised						17,757						10,461						114,974						77,272
Cash received upon exercise						$	2					$	1					$	11					$	6
Related tax benefits realized						—						—						3						3

Schedule of Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity

						Second Quarter												First Six Months
						2024						2023						2024						2023
						($ in millions)
RSUs vested						12,494						3,908						169,145						153,030
Common Stock issued net of tax withholding						9,016						2,811						117,266						107,419
Related tax benefits realized						$	—					$	—					$	—					$	1

Schedule of Share-Based Compensation, Activity

						First Six Months
						2024						2023
						($ in millions)
PSUs earned						41,580						58,599
Common Stock issued net of tax withholding						26,056						40,255
Related tax benefits realized						$	—					$	—

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Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average exercise price, table [Table Text Block]

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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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-Name Accounting Standards Codification
-Section 50
-Paragraph 2A
-Subparagraph (a)
-SubTopic 10
-Topic 718
-Publisher FASB
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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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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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