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Funded Status Of Pension Plans (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets at January 1 $ 1,516 $ 1,411  
Actual return on plan assets 30 146  
Currency 63 54  
Fair value of plan assets at December 31 2,109 1,516  
U.S. Pension Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Contributions 178    
Non-U.S. Pension Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Contributions 330    
Pension Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets at December 31 9,159 8,205  
Pension Plans | U.S. Pension Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Accrued benefit obligation at January 1 1,389 7,472  
Service cost 71 142 146
Interest cost 60 275 364
Benefits paid (14) (241)  
Settlements paid (59) (211)  
Actuarial (gains) / losses (182) 1,157  
Spin-Off Impact   (7,207)  
Other 1 2  
Accrued benefit obligation at December 31 1,266 1,389 7,472
Fair value of plan assets at January 1 903 5,829  
Actual return on plan assets 111 663  
Contributions 178 349  
Benefits paid (14) (241)  
Settlements paid (59) (211)  
Spin-Off impact   (5,486)  
Other (1)    
Fair value of plan assets at December 31 1,118 903 5,829
Net pension liability recognized at December 31 (148) (486)  
Pension Plans | Non-U.S. Pension Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Accrued benefit obligation at January 1 9,786 9,581  
Service cost 172 172 170
Interest cost 358 425 458
Benefits paid (420) (459)  
Actuarial (gains) / losses (184) 1,060  
Spin-Off Impact   (1,387)  
Currency 183 350  
Other 25 44  
Accrued benefit obligation at December 31 9,920 9,786 9,581
Fair value of plan assets at January 1 7,381 7,600  
Actual return on plan assets 675 684  
Contributions 350 353  
Benefits paid (420) (459)  
Spin-Off impact   (1,064)  
Currency 136 267  
Fair value of plan assets at December 31 8,122 7,381 7,600
Net pension liability recognized at December 31 $ (1,798) $ (2,405)