Schedule of Disaggregated Revenue by Products and Region (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation Of Revenue [Line Items]
Net sales		$ 2,555	$ 2,596	$ 7,774	$ 7,724
Airbags Steering Wheels and Other [Member]
Disaggregation Of Revenue [Line Items]
Net sales	[1]	1,736	1,761	5,264	5,191
Seatbelt Products and Other [Member]
Disaggregation Of Revenue [Line Items]
Net sales	[1]	819	835	2,511	2,533
Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales		851	918	2,637	2,665
Europe [Member]
Disaggregation Of Revenue [Line Items]
Net sales		700	646	2,231	2,122
China [Member]
Disaggregation Of Revenue [Line Items]
Net sales		495	538	1,423	1,488
Asia, excl. China [Member]
Disaggregation Of Revenue [Line Items]
Net sales		$ 508	$ 495	$ 1,483	$ 1,449

[1] Including Corporate sales.