Employee Benefit Plans (Net Periodic Costs) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Net Periodic Benefit Cost [Abstract]
Interest costs	$ 2	$ 1	$ 5	$ 4
Amortization of net actuarial loss	1	2	4	5
Amortization of prior service credit	0	0	0	(1)
Net periodic costs	$ 3	$ 3	$ 9	$ 8