Income Taxes (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2022

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense and Effective Income Tax Rates

	Three Months Ended September 30						Nine Months Ended September 30
$ in millions	2022			2021			2022			2021
Federal and foreign income tax expense	$	175		$	212		$	568		$	1,298
Effective income tax rate	16.1		%	16.6		%	16.8		%	23.2		%