v2.4.0.8
Employee Benefit Plans - (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
U.S. Pension Benefits
        
Components of net periodic benefit cost [Abstract]        
Service cost $ 17 $ 16 $ 52 $ 48
Interest cost 7 5 21 16
Expected return on plan assets (11) (9) (33) (29)
Amortization of prior service credit 0 0 0 0
Amortization of net actuarial loss 2 3 6 10
Other     0 0
Net periodic cost 15 15 46 45
Non-U.S. Pension Benefits
        
Components of net periodic benefit cost [Abstract]        
Service cost 3 4 10 12
Interest cost 8 8 26 24
Expected return on plan assets (9) (9) (29) (29)
Amortization of prior service credit 0 0 0 0
Amortization of net actuarial loss 1 2 3 6
Other     0 0
Net periodic cost 3 5 10 13
Other Postretirement Benefits
        
Components of net periodic benefit cost [Abstract]        
Service cost 1 1 4 5
Interest cost 1 1 4 3
Expected return on plan assets 0 0 0 0
Amortization of prior service credit (2) (2) (5) (6)
Amortization of net actuarial loss 1 1 2 3
Other     (3) 0
Net periodic cost $ 1 $ 1 $ 2 $ 5