Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense relating to all intangible assets	$ 8	$ 8
Amortization expense for remainder of the year	21
Intangible assets amortization expense, year one	22
Intangible assets amortization expense, year two	21
Intangible assets amortization expense, year three	16
Intangible assets amortization expense, year four	9
Intangible assets amortization expense, year five	$ 7