Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS SUBSEQUENT EVENTS (Details)

v2.4.0.8
SUBSEQUENT EVENTS SUBSEQUENT EVENTS (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 3 Months Ended 12 Months Ended 6 Months Ended 6 Months Ended
Dec. 31, 2013
Employees
Jun. 30, 2014
Subsequent Event [Member]
Jun. 30, 2014
partial plan curtailment [Member]
Subsequent Event [Member]
Jun. 30, 2014
remeasurement of postretirement obligation [Member]
Subsequent Event [Member]
Dec. 31, 2013
Benefit Obligations [Member]
U.S. Postretirement Medical Benefits
Jun. 30, 2014
Benefit Obligations [Member]
U.S. Postretirement Medical Benefits
Subsequent Event [Member]
Dec. 31, 2014
Benefit Obligations [Member]
U.S. Postretirement Medical Benefits
Subsequent Event [Member]
Jun. 30, 2014
Non-National Master Agreement (Non-NMA) [Member]
Subsequent Event [Member]
Employees
Jun. 30, 2014
Non-National Master Agreement (Non-NMA) [Member]
defined benefit plan settlement losses [Member]
Subsequent Event [Member]
Mar. 31, 2014
National Master Agreement (NMA) [Member]
Jun. 30, 2014
National Master Agreement (NMA) [Member]
Subsequent Event [Member]
Employees
Jun. 30, 2014
National Master Agreement (NMA) [Member]
defined benefit plan settlement losses [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]                        
Number of employees under a national master agreement and various supplemental agreements with local unions affiliated with Teamsters 253,000                      
Teamster unpaid economic benefits                   $ 325    
Full-time employees affected by change in healthcare benefits                     36,000  
part-time employees affected by changes in healthcare benefits                     73,000  
other employees under collective bargaining agreements affected by changes in healthcare benefits               16,000        
Cash transfered to fund for assumption of postretirement benefit obligation   2,271           276     1,995  
Cash transfered to fund for assumption of postretirement benefit obligation, net of tax   1,417                    
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax                     23  
Defined Benefit Plan, Curtailments           908 1,161          
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation         3,691 2,783 0          
Subsequent Event, Description   1,047 112 735         32     200
DefinedBenefitPlanRecognizedNetGainLossDuetoSettlementsandCurtailmentsAfterTax   $ 653