Income Taxes (Additional Information) (Detail) - USD ($) $ in Millions	12 Months Ended			96 Months Ended
	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 Tax Expense (Benefit)	36	$ 174	$ 0
Pension Settlement Charges	60	968	0
Net tax charge related to Asbestos Settlement Funding	151
Income before income taxes of non-US operations	2,008	786	1,745
Taxes paid, net of refunds	648	349	383
Net operating loss carryforwards	694	494
Tax effected amount of net operating loss carryforward	210	140
Unrecognized tax benefits that would affect the effective tax rate, if recognized	140
Accrued estimated interest and penalties on unrecognized tax benefits	15	9	8
Recognized (income) expense for estimated interest and penalties	4	1	2
Deferred Tax Assets, Tax Credit Carryforwards, Other	9	57
U.S.
Income Taxes [Line Items]
Income before income taxes of non-US operations	716	(204)	693
Non United States
Income Taxes [Line Items]
Income before income taxes of non-US operations	1,292	990	$ 1,052
Net Operating Loss, Indefinite Life
Income Taxes [Line Items]
Net operating loss carryforwards	447	376
Net Operating Loss, Expiring Within 20 Years
Income Taxes [Line Items]
Net operating loss carryforwards	247	$ 118
Pension Settlement Charges [Member]
Income Taxes [Line Items]
Deferred Income Tax Expense (Benefit)	22
Pension Settlement Charges	$ 60
Scenario, Forecast | Minimum
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount				$ 1
Scenario, Forecast | Maximum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount				$ 3