XML 140 R92.htm IDEA: XBRL DOCUMENT v2.4.0.8
Post-Employment and Other Long-Term Employees Benefits - Components of Net Periodic Benefit Cost (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Pension benefits, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 37 $ 40 $ 34
Interest cost 28 31 33
Expected return on plan assets (18) (18) (20)
Amortization of actuarial net loss (gain) 11 12 6
Amortization of prior service cost 5 5 1
Effect of settlement 1    (1)
Effect of curtailment         
Net periodic benefit cost 64 70 53
Other Pension Plans, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 8 9 8
Interest cost 2 3 3
Expected return on plan assets         
Amortization of actuarial net loss (gain)    2 (5)
Amortization of prior service cost         
Effect of settlement        
Effect of curtailment (2)      
Net periodic benefit cost $ 8 $ 14 $ 6