Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Pretax Amounts Included in Accumulated OCI (Details)

v3.3.1.900
Employee Benefit Plans - Pretax Amounts Included in Accumulated OCI (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) $ 4,755 $ 5,328
Prior service cost (credits) 6 11
Amounts recognized in accumulated OCI 4,761 5,339
Qualified Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) 3,920 4,061
Prior service cost (credits) 0 0
Amounts recognized in accumulated OCI 3,920 4,061
Non-U.S. Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) 137 355
Prior service cost (credits) (10) (9)
Amounts recognized in accumulated OCI 127 346
Nonqualified and Other Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) 848 968
Prior service cost (credits) 0 0
Amounts recognized in accumulated OCI 848 968
Postretirement Health and Life Plans    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) (150) (56)
Prior service cost (credits) 16 20
Amounts recognized in accumulated OCI $ (134) $ (36)