Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense relating to all intangible assets	$ 6	$ 8
Amortization expense for remainder of the year	16
Intangible assets amortization expense, year one	21
Intangible assets amortization expense, year two	16
Intangible assets amortization expense, year three	9
Intangible assets amortization expense, year four	7
Intangible assets amortization expense, year five	$ 7