Income Taxes (Additional Information) (Detail) - USD ($) $ in Millions	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended			96 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2017	Jun. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2025
Income Taxes [Line Items]
Net tax charge for Tax Cuts and Jobs Act													$ 134
One-time tax on unrepatriated foreign earnings													250
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability													125
Benefit from reversal of existing deferred tax liability on repatriated foreign earnings													150
Deferred income taxes				$ 6					$ (40)		$ (53)		38	$ 171	$ 0
Pension settlement charge	$ 38	$ 0	$ 0	22	$ 0	$ 968	$ 0	$ 0	22	$ 0	22	$ 968	60	968	0
Net tax charge related to Asbestos Settlement Funding													151
Income before income taxes of non-US operations													2,005	779	1,745
Taxes paid, net of refunds				$ 90					$ 326		$ 481		648	349	383
Net operating loss carryforwards	694				494								694	494
Tax effected amount of net operating loss carryforward	210				140								210	140
Unrecognized tax benefits that would affect the effective tax rate, if recognized	140												140
Accrued estimated interest and penalties on unrecognized tax benefits	15				9								15	9	8
Deferred Tax Assets, Tax Credit Carryforwards, Other	9				57								9	57
Recognized (income) expense for estimated interest and penalties													4	1	2
U.S.
Income Taxes [Line Items]
Income before income taxes of non-US operations													713	(210)	693
Non United States
Income Taxes [Line Items]
Income before income taxes of non-US operations													1,292	889	$ 1,052
Net Operating Loss, Indefinite Life
Income Taxes [Line Items]
Net operating loss carryforwards	447				376								447	376
Net Operating Loss, Expiring Within 20 Years
Income Taxes [Line Items]
Net operating loss carryforwards	$ 247				$ 118								247	$ 118
Pension Settlement Charges
Income Taxes [Line Items]
Deferred income taxes													22
Pension settlement charge													$ 60
Scenario, Forecast | Minimum
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount																$ 1
Scenario, Forecast | Maximum
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount																$ 3