Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense relating to all intangible assets	$ 6	$ 10	$ 14	$ 26
Amortization expense for remainder of the year	14		14
Intangible assets amortization expense, year one	25		25
Intangible assets amortization expense, year two	19		19
Intangible assets amortization expense, year three	18		18
Intangible assets amortization expense, year four	14		14
Intangible assets amortization expense, year five	$ 10		$ 10