Pension Plans, Postretirement and Other Employee Benefits - Summary of Amount Recognised in Balance Sheets for Pension Plans and Postretirement Benefit Plan (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Noncurrent liabilities	$ (1,167)	$ (1,145)	$ (1,167)
Pension Plans | U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year		1,302	263
Federal-Mogul acquisition		0	1,064
Service cost		2	1
Interest cost		53	21	$ 10
Settlement		(67)	(1)
Curtailment		0	0
Administrative expenses/taxes paid		0	0
Plan amendments		0	0
Actuarial (gain)/loss		105	(12)
Benefits paid		(75)	(34)
Medicare subsidies received		0	0
Participants' contributions		0	0
Held for sale		0	0
Currency rate conversion		0	0
Benefit obligation at December 31	1,302	1,320	1,302	263
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year		995	202
Federal-Mogul acquisition		0	943
Settlement		(67)	(1)
Net realized/unrealized gains (loss)		183	(122)
Administrative expenses/taxes paid		0	0
Employer contributions		26	6
Medicare subsidies received		0	0
Participants' contributions		0	0
Benefits paid		(75)	(33)
Held for sale		0	0
Currency rate conversion		0	0
Ending Balance at December 31	995	1,062	995	202
Funded status of the plans	(307)	(258)	(307)
Noncurrent assets	0	0	0
Current liabilities	(5)	(4)	(5)
Noncurrent liabilities	(302)	(254)	(302)
Net amount recognized	(307)	(258)	(307)
Pension Plans | Non-U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year		946	471
Federal-Mogul acquisition		0	545
Service cost		24	13
Interest cost		24	15	13
Settlement		(5)	(13)
Curtailment		0	0
Administrative expenses/taxes paid		(4)	(3)
Plan amendments		0	2
Actuarial (gain)/loss		105	(16)
Benefits paid		(44)	(22)
Medicare subsidies received		0	0
Participants' contributions		1	1
Held for sale		0	(16)
Currency rate conversion		1	(31)
Benefit obligation at December 31	946	1,048	946	471
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year		466	438
Federal-Mogul acquisition		0	81
Settlement		(5)	(14)
Net realized/unrealized gains (loss)		55	(1)
Administrative expenses/taxes paid		(4)	0
Employer contributions		42	21
Medicare subsidies received		0	0
Participants' contributions		1	1
Benefits paid		(44)	(25)
Held for sale		0	(10)
Currency rate conversion		12	(25)
Ending Balance at December 31	466	523	466	438
Funded status of the plans	(480)	(525)	(480)
Noncurrent assets	33	35	33
Current liabilities	(17)	(17)	(17)
Noncurrent liabilities	(496)	(543)	(496)
Net amount recognized	(480)	(525)	(480)
Other Postretirement Benefits Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year		322	151
Federal-Mogul acquisition		0	263
Service cost		1	0
Interest cost		13	8	5
Settlement		0	0
Curtailment		0	(1)
Administrative expenses/taxes paid		0	0
Plan amendments	(66)	(17)	(66)
Actuarial (gain)/loss		6	(24)
Benefits paid		(26)	(15)
Medicare subsidies received		0	1
Participants' contributions		1	1
Held for sale		0	0
Currency rate conversion		0	4
Benefit obligation at December 31	322	300	322	151
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year		0	0
Federal-Mogul acquisition		0	0
Settlement		0	0
Net realized/unrealized gains (loss)		0	0
Administrative expenses/taxes paid		0	0
Employer contributions		25	13
Medicare subsidies received		0	1
Participants' contributions		1	1
Benefits paid		(26)	(15)
Held for sale		0	0
Currency rate conversion		0	0
Ending Balance at December 31	0	0	0	$ 0
Funded status of the plans	(322)	(300)	(322)
Noncurrent assets	0	0	0
Current liabilities	(28)	(25)	(28)
Noncurrent liabilities	(294)	(275)	(294)
Net amount recognized	(322)	(300)	(322)
Postretirement liability	$ 75	$ 73	$ 75