Income Tax (Provision for Income Tax Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 65	$ 58	$ 125	$ 156
Effective Income Tax Rate Reconciliation, Percent	24.30%	21.70%	23.10%	25.20%