Annual report pursuant to Section 13 and 15(d)

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Company Sponsored Pension and Postretirement Benefit Plans (Detail)

v2.4.0.6
COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Company Sponsored Pension and Postretirement Benefit Plans (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]      
Document Fiscal Year Focus 2012    
U.S. Pension Benefits
      
Net Periodic Cost:      
Service cost $ 998 $ 870 $ 723
Interest cost 1,410 1,309 1,199
Expected return on assets (1,970) (1,835) (1,381)
Amortization of:      
Transition obligation 0 0 0
Prior service cost 173 171 172
Actuarial (gain) loss 4,388 736 70
Other 0 0 0
Net periodic benefit cost 4,999 1,251 783
U.S. Postretirement Medical Benefits
      
Net Periodic Cost:      
Service cost 89 89 86
Interest cost 208 207 214
Expected return on assets (18) (16) (22)
Amortization of:      
Transition obligation 0 0 0
Prior service cost 5 7 4
Actuarial (gain) loss 374 0 0
Other 0 0 0
Net periodic benefit cost 658 287 282
International Pension Benefits
      
Net Periodic Cost:      
Service cost 41 34 24
Interest cost 41 39 34
Expected return on assets (47) (43) (36)
Amortization of:      
Transition obligation 0 0 0
Prior service cost 2 1 1
Actuarial (gain) loss 69 91 42
Other (10) 0 6
Net periodic benefit cost $ 96 $ 122 $ 71