Quarterly report pursuant to Section 13 or 15(d)

Employee Benefit Plans (Details)

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Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
U.S. Defined Benefit Pension Plans
        
Components of Net Periodic Benefit Cost [Abstract]        
Service cost $ 0 $ 0 $ 0 $ 0
Interest cost 23 23 45 48
Expected return on plan assets (38) (36) (76) (71)
Amortization of prior service cost 0 0 0 0
Amortization of net actuarial (gains) losses 0 1 1 3
Net periodic benefit (income) cost (15) (12) (30) (20)
Non-U.S. Defined Benefit Pension Plans
        
Components of Net Periodic Benefit Cost [Abstract]        
Service cost 10 10 19 20
Interest cost 21 19 41 40
Expected return on plan assets (32) (25) (62) (50)
Amortization of prior service cost 0 0 0 0
Amortization of net actuarial (gains) losses (2) 0 (4) 0
Net periodic benefit (income) cost (3) 4 (6) 10
Estimated future employer contributions in 2012 84   84  
Amount contributed by employer     68  
Postretirement Plans
        
Components of Net Periodic Benefit Cost [Abstract]        
Service cost 1 [1] 1 [2] 2 [1] 2 [2]
Interest cost 4 [1] 3 [2] 8 [1] 7 [2]
Expected return on plan assets 0 [1] 0 [2] 0 [1] 0 [2]
Amortization of prior service cost 1 [1] 0 [2] 2 [1] 2 [2]
Amortization of net actuarial (gains) losses 2 [1] 0 [2] 4 [1] 2 [2]
Net periodic benefit (income) cost 8 [1] 4 [2] 16 [1] 13 [2]
Estimated future employer contributions in 2012 20   20  
Amount contributed by employer     10  
Percentage of the postretirement benefit obligation that relates to the U.S. postretirement plan 96.00% 95.00% 96.00% 95.00%
Nonqualified Pension Plans
        
Components of Net Periodic Benefit Cost [Abstract]        
Estimated future employer contributions in 2012 $ 1   $ 1  
[1] Approximately 96% of the postretirement benefit obligation at June 30, 2012 relates to the U.S. postretirement plan.
[2] Approximately 95% of the postretirement benefit obligation at June 30, 2011 relates to the U.S. postretirement plan.