Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Other Changes Recognized in OCI (Details)

v2.4.0.6
Employee Benefit Plans - Other Changes Recognized in OCI (Details) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 12 Months Ended
Jan. 24, 2012
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Current Year Actuarial (Gain) Loss   $ 551
Amortization of Actuarial Gain (Loss)   (434)
Current Year Prior Service Cost (Credit) 1,300 2
Amortization of Prior Service Credit (Cost)   (64)
Amortization of Transition Obligation   (32)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax   23
Qualified Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Current Year Actuarial (Gain) Loss   (110)
Amortization of Actuarial Gain (Loss)   (469)
Current Year Prior Service Cost (Credit)   0
Amortization of Prior Service Credit (Cost)   (67)
Amortization of Transition Obligation   0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax   (646)
Nonqualified and Other Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Current Year Actuarial (Gain) Loss   321
Amortization of Actuarial Gain (Loss)   (12)
Current Year Prior Service Cost (Credit)   0
Amortization of Prior Service Credit (Cost)   7
Amortization of Transition Obligation   0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax   316
Postretirement Health and Life Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Current Year Actuarial (Gain) Loss   (7)
Amortization of Actuarial Gain (Loss)   38
Current Year Prior Service Cost (Credit)   0
Amortization of Prior Service Credit (Cost)   (4)
Amortization of Transition Obligation   (32)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax   (5)
Non-U.S. Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Current Year Actuarial (Gain) Loss   347
Amortization of Actuarial Gain (Loss)   9
Current Year Prior Service Cost (Credit)   2
Amortization of Prior Service Credit (Cost)   0
Amortization of Transition Obligation   0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax   $ 358