v2.4.0.8
Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2013
Employee Benefit Plans [Abstract]  
Pension and Postretirement Plans
Note 19—Employee Benefit Plans            
             
Pension and Postretirement Plans            
 Millions of Dollars
 Pension Benefits Other Benefits
 2013 2012 2013 2012
  U.S. Int'l. U.S. Int'l.    
             
Components of Net Periodic Benefit Cost            
Three Months Ended June 30            
Service cost$ 34  25  42  22  1  2
Interest cost  36  36  48  38  6  8
Expected return on plan assets  (46)  (39)  (56)  (40)  -  -
Amortization of prior service cost (credit)  1  (2)  2  (2)  (1)  (1)
Recognized net actuarial loss  38  18  45  15  1  -
Net periodic benefit cost$ 63  38  81  33  7  9
             
Six Months Ended June 30            
Service cost$ 69  51  100  50  2  4
Interest cost  72  73  111  81  12  18
Expected return on plan assets  (93)  (80)  (130)  (83)  -  -
Amortization of prior service cost (credit)  3  (4)  4  (4)  (2)  (2)
Recognized net actuarial (gain) loss  75  37  104  33  2  (1)
Net periodic benefit cost$ 126  77  189  77  14  19