v2.4.0.8
Taxes on Income - Textual (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Tax [Line Items]        
U.S. statutory rate applied to income before taxes, Tax rate 35.00% 35.00% 35.00%  
Deferred tax assets on NOL carryforwards relating to foreign jurisdictions $ 170,000,000      
Deferred tax assets relating to various U.S. tax credit carryforwards and NOL carryforwards 55,000,000      
Income taxes paid 2,300,000,000 2,500,000,000 2,700,000,000  
Tax benefits relating to stock option exercises, paid-in capital 61,000,000 94,000,000    
Unrecognized tax benefits 3,503,000,000 4,425,000,000 4,277,000,000 4,919,000,000
Favorable net impact to income tax provision if unrecognized tax benefits were recognized 3,300,000,000      
Reasonably possible amount that liability for unrecognized tax benefits could decline up to in next 12 months 128,000,000      
Interest and penalties associated with uncertain tax positions, (benefit) expense 319,000,000 88,000,000 95,000,000  
Liabilities for accrued interest and penalties 665,000,000 1,200,000,000    
Decrease in unrecognized tax benefits resulting from prior period tax positions 747,000,000 [1] 320,000,000 [1] 1,223,000,000 [1]  
Foreign earnings retained indefinitely by subsidiary companies for reinvestments 57,100,000,000      
Foreign Jurisdiction [Member]
        
Income Tax [Line Items]        
Valuation allowance on foreign NOL carryforwards 205,000,000      
Canada Revenue Agency (CRA) [Member]
        
Income Tax [Line Items]        
Decrease in unrecognized tax benefits resulting from prior period tax positions   112,000,000    
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority   65,000,000    
IRS [Member]
        
Income Tax [Line Items]        
Decrease in unrecognized tax benefits resulting from prior period tax positions 165,000,000   700,000,000  
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority     465,000,000  
Intercompany pricing matters [Member] | IRS [Member]
        
Income Tax [Line Items]        
Decrease in unrecognized tax benefits resulting from prior period tax positions $ 160,000,000      
[1] Amounts reflect the settlements with the IRS and CRA as discussed below.