Intangible Assets (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense relating to all intangible assets	$ 8	$ 16
Amortization expense for remainder of the year	19
Intangible assets amortization expense, year one	22
Intangible assets amortization expense, year two	16
Intangible assets amortization expense, year three	15
Intangible assets amortization expense, year four	11
Intangible assets amortization expense, year five	$ 9