v2.4.0.6
Pension Plans (Details 3) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
U.S. Pension Benefits
     
U.S. and foreign defined benefit pension plans with projected benefit obligations in excess of fair value of plan assets      
Projected benefit obligations $ 432 $ 394 $ 346
Plans with projected benefit obligations 381 377  
Excess of fair value of related plan assets 276 281  
Accumulated benefit obligation 381 347  
Information relating to aggregated U.S. and foreign defined benefit pension plans with an accumulated benefit obligation in excess of plan assets      
Projected benefit obligation 381 377  
Accumulated benefit obligation 330 330  
Fair value of plan assets 276 281  
Net periodic benefit cost:      
Service cost 13 12 11
Interest cost 24 22 21
Expected return on plan assets (24) (22) (20)
Amortization of prior service cost 2 2 1
Amortization of net loss (gain) 5 3 1
Net periodic benefit cost 20 17 14
Weighted-average assumptions to determine benefit obligations      
Discount rate (as a percent) 6.00% 6.20%  
Increase in future compensation levels (as a percent) 4.20% 4.20%  
Weighted-average assumptions to determine the Net periodic benefit cost      
Discount rate (as a percent) 6.20% 6.50% 6.50%
Increase in future compensation levels (as a percent) 4.20% 4.20% 4.30%
Expected long term rate of return on assets (as a percent) 8.00% 8.00% 7.80%
Target asset allocation      
Target asset allocation, fixed income securities (as a percent) 40.00%    
Target asset allocation, Equities (as a percent) 60.00%    
Foreign Pension Benefits
     
U.S. and foreign defined benefit pension plans with projected benefit obligations in excess of fair value of plan assets      
Projected benefit obligations 136 479 328
Plans with projected benefit obligations 39 64  
Excess of fair value of related plan assets 8 9  
Accumulated benefit obligation 81 456  
Information relating to aggregated U.S. and foreign defined benefit pension plans with an accumulated benefit obligation in excess of plan assets      
Projected benefit obligation 29 52  
Accumulated benefit obligation 28 49  
Fair value of plan assets 3 3  
Net periodic benefit cost:      
Service cost 3 3 5
Interest cost 22 41 37
Expected return on plan assets (25) (43) (39)
Amortization of prior service cost 1 1 1
Amortization of net loss (gain)   (2)  
Settlement loss recognized 26 1  
Net periodic benefit cost $ 27 $ 1 $ 4
Weighted-average assumptions to determine benefit obligations      
Discount rate (as a percent) 4.40% 10.50%  
Increase in future compensation levels (as a percent) 2.40% 6.30%  
Weighted-average assumptions to determine the Net periodic benefit cost      
Discount rate (as a percent) 10.50% 11.40% 9.40%
Increase in future compensation levels (as a percent) 6.30% 6.70% 4.80%
Expected long term rate of return on assets (as a percent) 11.40% 10.90% 10.20%