Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - ABO and PBO in Excess of Plan Assets (Details)

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Employee Benefit Plans - ABO and PBO in Excess of Plan Assets (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Qualified Pension Plans [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Plans with ABO in Excess of Plan Assets, PBO $ 0 $ 0
Plans with ABO in Excess of Plan Assets, ABO 0 0
Plans with ABO in Excess of Plan Assets, Fair Value of Plan Assets 0 0
Plans with PBO in Excess of Plan Assets, PBO 6,624 0
Plans with PBO in Excess of Plan Assets, Fair Value of Plan Assets 6,557 0
Non-U.S. Pension Plans [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Plans with ABO in Excess of Plan Assets, PBO 732 477
Plans with ABO in Excess of Plan Assets, ABO 698 466
Plans with ABO in Excess of Plan Assets, Fair Value of Plan Assets 428 259
Plans with PBO in Excess of Plan Assets, PBO 732 642
Plans with PBO in Excess of Plan Assets, Fair Value of Plan Assets 428 384
Nonqualified and Other Pension Plans [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Plans with ABO in Excess of Plan Assets, PBO 1,174 1,200
Plans with ABO in Excess of Plan Assets, ABO 1,173 1,199
Plans with ABO in Excess of Plan Assets, Fair Value of Plan Assets 2 2
Plans with PBO in Excess of Plan Assets, PBO 1,174 1,200
Plans with PBO in Excess of Plan Assets, Fair Value of Plan Assets $ 2 $ 2