Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
U.S. Federal statutory rate	35.00%
Reducing in tax loss carryforward due to realization domestic and state tax loss	$ 3	$ 6
Deferred Tax Assets, Valuation Allowance	127	139
Income tax expense (benefit)	149	131	$ 122
Impact on earnings related to reversal of valuation allowance	15
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount		11
Unremitted earnings of foreign subsidiaries	731
Estimated income tax liability related to unremitted earnings of foreign subsidiaries	150
Uncertain tax positions that would affect the effective tax rate if recognized	110	101	107
Liability for interest on unrecognized tax benefits	6	6	7
Estimated decrease in unrecognized tax benefits related to the expiration of foreign statute of limitations and the conclusion of foreign income tax examinations that may occur within the coming year	10
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Penalties accrued	1	1	1
Accrued interest related to uncertain tax positions	1	1	2
Liability for penalties on unrecognized tax benefits	$ 2	$ 3	$ 2