Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.3.0.15
Fair Value Measurements (Details) (USD $)
In Millions
Sep. 30, 2011
Dec. 31, 2010
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities $ 198 $ 209
Level 1
   
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 173 183
Available-for-sale securities 1,190 480
Derivatives, assets 33 19
Total assets 1,396 682
Derivatives, liabilities 66 2
Total liabilities 66 2
Level 2
   
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 21 23
Available-for-sale securities 21 5
Derivatives, assets 574 151
Total assets 616 179
Derivatives, liabilities 198 382
Total liabilities 198 382
Level 3
   
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 4 3
Available-for-sale securities 72 0
Derivatives, assets 1 4
Total assets 77 7
Derivatives, liabilities 0 0
Total liabilities 0 0
Netting Adjustment
   
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 0 0
Available-for-sale securities 0 0
Derivatives, assets (152) (143)
Total assets (152) (143)
Derivatives, liabilities (235) (142)
Total liabilities (235) (142)
Fair Value Measurements
   
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 198 209
Available-for-sale securities 1,283 485
Derivatives, assets 456 31
Total assets 1,937 725
Derivatives, liabilities 29 242
Total liabilities $ 29 $ 242