- Reconciliation of Income Taxes Computed at Statutory U.S. Federal Income Tax Rate to Income Tax Expense (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure Reconciliation Of Income Taxes Computed At Statutory U S Federal Income Tax Rate To Income Tax Expense [Abstract]
Income tax expense computed at the statutory U.S. federal income tax rate	$ 120	$ 113	$ 95
Foreign income taxed at different rates	(21)	(21)	(14)
Taxes on repatriation of dividends	9	8	6
Remeasurement of estimated tax on unremitted earnings	(17)	0	0
State and local taxes on income, net of U.S. federal income tax benefit	6	4	2
Changes in valuation allowance for tax loss carryforwards and credits	27	(91)	(11)
Foreign tax holidays	(5)	(5)	(4)
Investment and R&D tax credits	(8)	(1)	(4)
Foreign earnings subject to U.S. federal income tax	5	23	6
Adjustment of prior years taxes	(1)	(5)	0
Impact of foreign tax law changes	(3)	(1)	0
Tax contingencies	6	(6)	3
Goodwill impairment	0	0	3
Other	4	1	6
Income tax expense	$ 122	$ 19	$ 88