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
Mar. 31, 2013
Mar. 31, 2012
U.S. Defined Benefit Pension Plans
   
Components of Net Periodic Benefit Cost [Abstract]    
Service cost $ 0 $ 0
Interest cost 20 22
Expected return on plan assets (28) (38)
Amortization of prior service cost 0 0
Amortization of net actuarial (gains) losses 3 1
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments 0 0
Net periodic benefit (income) cost (5) (15)
Non-U.S. Defined Benefit Pension Plans
   
Components of Net Periodic Benefit Cost [Abstract]    
Service cost 8 9
Interest cost 22 20
Expected return on plan assets (28) (30)
Amortization of prior service cost 0 0
Amortization of net actuarial (gains) losses 1 (2)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments (7) 0
Net periodic benefit (income) cost (4) (3)
Estimated future employer contributions in 2013 79  
Amount contributed by employer 58  
Postretirement Plans
   
Components of Net Periodic Benefit Cost [Abstract]    
Service cost 1 [1] 1 [1]
Interest cost 3 [1] 4 [1]
Expected return on plan assets 0 [1] 0 [1]
Amortization of prior service cost 1 [1] 1 [1]
Amortization of net actuarial (gains) losses (1) [1] 2 [1]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments 0 [1] 0 [1]
Net periodic benefit (income) cost 4 [1] 8 [1]
Percentage of the postretirement benefit obligation that relates to the U.S. postretirement plan 93.00% 96.00%
Estimated future employer contributions in 2013 19  
Amount contributed by employer 5  
Nonqualified Pension Plans
   
Components of Net Periodic Benefit Cost [Abstract]    
Estimated future employer contributions in 2013 $ 1  
[1] Approximately 93% and 96% of the postretirement benefit obligation at March 31, 2013 and March 31, 2012 relates to the U.S. postretirement plan.