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

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value

During 2020, a committee of nonemployee members of our Board of Directors (and the Chief Executive Officer when delegated authority by such committee) 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	1,050	$	39.10	43,770	$	52.05
RSUs	3,380	173.56		167,540	210.02
PSUs	1,930	184.47		78,720	212.67

Schedule of Share-based Compensation, Activity


	Second Quarter						First Six Months
	2020		2019		2020		2019
	($ in millions)
RSUs vested	—		506		202,299		166,055
Common Stock issued net of tax withholding	—		363		143,712		119,244
Related tax benefit realized	$	—	$	—	$	4	$	2

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