Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended			36 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Jan. 31, 2017	Jun. 30, 2016	Oct. 31, 2009
Stockholders Equity [Line Items]
Entity Public Float							$ 2,911,952,460
Stock Repurchase Program, Authorized Amount	$ 1,500,000,000	$ 1,500,000,000			$ 1,500,000,000
Treasury Stock, Shares, Acquired					27,000,000
Treasury Stock, Value, Acquired, Cost Method		390,000,000	$ 394,000,000	$ 300,000,000	$ 1,100,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	300,000,000	300,000,000			$ 300,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities				4,000,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax		4,000,000	5,000,000	$ 5,000,000
Less: Pension and post-retirement benefits reclassified to earnings, net of tax of $(2), $(1) and $(6), respectively		(4,000,000)	(3,000,000)	(2,000,000)
Entity Common Stock, Shares Outstanding						85,991,536
Convertible Notes Payable [Member] | 3 1/2% Convertible Senior Notes
Stockholders Equity [Line Items]
Long-term Debt, Gross				66,000,000
Debt Instrument, Convertible, Conversion Price Per $1,000 Principal								61.5385
Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Stockholders Equity [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ 83,000,000	14,000,000	34,000,000	46,000,000
Corporate Interest Expense [Member]
Stockholders Equity [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax		6,000,000	7,000,000	8,000,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax		$ 4,000,000	$ 4,000,000	$ 5,000,000