Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense relating to all intangible assets	$ 7	$ 6	$ 15	$ 14
Amortization expense for remainder of the year	14		14
Intangible assets amortization expense, year one	22		22
Intangible assets amortization expense, year two	21		21
Intangible assets amortization expense, year three	16		16
Intangible assets amortization expense, year four	9		9
Intangible assets amortization expense, year five	$ 7		$ 7