Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 4)

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 4) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Pension benefits
      
Net periodic pension and other Postretirement benefit cost      
Service cost $ 280 $ 291 $ 249
Interest cost 378 388 391
Expected return on plan assets (659) (573) (508)
Amortization of prior service cost (credit) (2) (2) 5
Amortization of actuarial loss 197 137 82
Net periodic benefit cost (credit) 194 241 219
Settlement charge 1 3 3
Curtailment charge 0 6 0
Special termination benefits 2 1 8
Total cost (credit) recognized in the statement of income 197 251 230
Changes in AOCI for our benefit plans, pretax      
Beginning balance in AOCI (3,032) (2,169)  
Recognized prior service cost (credit) (2) (2)  
Recognized net actuarial loss (gain) 198 140  
Prior service credit (cost) arising in the current year 1 3  
Net actuarial (loss) gain arising in the current year 1,283 (1,009)  
Foreign currency translation gain (loss) 15 5  
Ending balance in AOCI (1,537) (3,032) (2,169)
Prior service credit (cost) 12 16  
Net actuarial loss (1,549) (3,048)  
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract]      
Amounts in AOCI expected to be recognized as component of net periodic pension cost in next fiscal year 74    
Amortization of prior service cost (credit) (2)    
Amortization of actuarial loss 76    
Weighted average assumptions used in computing the benefit obligations      
Discount rate (as a percent) 4.75% 4.00%  
Rate of increase in compensation levels (as a percent) 3.50% 3.50%  
Weighted-average assumptions used in computing net periodic benefit cost      
Discount rate (as a percent) 4.00% 4.75% 5.50%
Rate of increase in compensation levels (as a percent) 3.50% 3.25% 4.00%
Expected long-term rate of return on plan assets (as a percent) 8.25% 8.25% 8.25%
U.S. Plan
      
Weighted-average assumptions used in computing net periodic benefit cost      
Expected long-term rate of return on plan assets (as a percent) 8.50%    
The 10-year annualized return on plan assets (as a percent) 6.90%    
The 15-year annualized return on plan assets (as a percent) 6.20%    
Annualized return on plan assets since inception (as a percent) 11.10%    
Other benefits
      
Net periodic pension and other Postretirement benefit cost      
Service cost 36 34 32
Interest cost 42 43 45
Expected return on plan assets (9) (8) (8)
Amortization of prior service cost (credit) (10) (52) (61)
Amortization of actuarial loss 13 6 2
Net periodic benefit cost (credit) 72 23 10
Settlement charge 0 0 0
Curtailment charge 0 0 0
Special termination benefits 0 0 3
Total cost (credit) recognized in the statement of income 72 23 13
Changes in AOCI for our benefit plans, pretax      
Beginning balance in AOCI (186) (34)  
Recognized prior service cost (credit) (10) (52)  
Recognized net actuarial loss (gain) 13 6  
Prior service credit (cost) arising in the current year 73 2  
Net actuarial (loss) gain arising in the current year 122 (107)  
Foreign currency translation gain (loss) 1 (1)  
Ending balance in AOCI 13 (186) (34)
Prior service credit (cost) 86 23  
Net actuarial loss (73) (209)  
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract]      
Amounts in AOCI expected to be recognized as component of net periodic pension cost in next fiscal year (15)    
Amortization of prior service cost (credit) (17)    
Amortization of actuarial loss $ 2    
Weighted average assumptions used in computing the benefit obligations      
Discount rate (as a percent) 4.75% 4.00%  
Weighted-average assumptions used in computing net periodic benefit cost      
Discount rate (as a percent) 4.00% 4.75% 5.25%
Expected long-term rate of return on plan assets (as a percent) 4.75% 4.75% 4.75%