Income Taxes (Additional Information) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Percent	23.60%	20.90%	30.70%
Net tax charge for Tax Cuts and Jobs Act		$ 42	$ 134
One-time tax on unrepatriated foreign earnings		20	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		22	$ 150
Expense for global intangible low taxed income		14
Benefit from foreign derived intangible income		$ 14
U.S. federal income tax rate	21.00%	21.00%	35.00%
Deferred income taxes	$ (5)	$ 45	$ 38
Pension settlement charge	0	0	60
Income before income taxes of non-US operations	1,661	1,693	2,005
Net operating loss carryforwards	182	192
Deferred Tax Assets, Tax Credit Carryforwards, Other	59	61
Unrecognized tax benefits that would affect the effective tax rate, if recognized	143
Accrued estimated interest and penalties on unrecognized tax benefits	17	16	15
Recognized (income) expense for estimated interest and penalties	1	2	4
U.S.
Income Taxes [Line Items]
Deferred income taxes	22
Income before income taxes of non-US operations	596	571	713
Non United States
Income Taxes [Line Items]
Income before income taxes of non-US operations	1,065	1,122	1,292
Net Operating Loss, Indefinite Life
Income Taxes [Line Items]
Net operating loss carryforwards	157	124
Net Operating Loss, Expiring Within 20 Years
Income Taxes [Line Items]
Net operating loss carryforwards	$ 25	$ 68
Pension Settlement Charges
Income Taxes [Line Items]
Deferred income taxes			22
Pension settlement charge			$ 60