Pension Plans, Postretirement and Other Employee Benefits - Changes in Fair Value of Level 3 Assets (Detail) - Level 3 - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
U.S.
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Balance at December 31 of the previous year	$ 0	$ 0
Federal-Mogul acquisition	30	0
Net realized/unrealized gains (loss)	(2)	0
Purchases and settlements—net	0	0
Sales—net	0	0
Transfers into (out) of Level 3	0	0
Held for sale	0
Foreign currency exchange rate movements	0	0
Ending Balance at December 31	28	0
Non-U.S.
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Balance at December 31 of the previous year	9	9
Federal-Mogul acquisition	56	0
Net realized/unrealized gains (loss)	1	0
Purchases and settlements—net	0	0
Sales—net	0	0
Transfers into (out) of Level 3	15	0
Held for sale	(10)
Foreign currency exchange rate movements	0	0
Ending Balance at December 31	$ 71	$ 9