Income Tax (Provision for Income Tax Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 58	$ 41	$ 156	$ 111
Effective Income Tax Rate Reconciliation, Percent	21.70%	25.20%	27.70%	26.80%