Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Jun. 28, 2013
Dec. 31, 2012
Assets and liabilities measured at fair value on a recurring basis    
Available-for-sale securities $ 4,719 $ 4,593
Level 1
    
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 129 146
Available-for-sale securities 1,474 1,390
Derivatives, assets 45 47
Total assets 1,648 1,583
Derivatives, liabilities 18 35
Total liabilities 18 35
Level 2
    
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 145 116
Available-for-sale securities 3,129 3,068
Derivatives, assets 910 583
Total assets 4,184 3,767
Derivatives, liabilities 183 98
Total liabilities 183 98
Level 3
    
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 3 4
Available-for-sale securities 116 135
Derivatives, assets 0 0
Total assets 119 139
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 (141) (116)
Total assets (141) (116)
Derivatives, liabilities (149) (121)
Total liabilities (149) (121)
Fair Value Measurements
    
Assets and liabilities measured at fair value on a recurring basis    
Trading Securities 277 266
Available-for-sale securities 4,719 4,593
Derivatives, assets 814 514
Total assets 5,810 5,373
Derivatives, liabilities 52 12
Total liabilities 52 12
Fair Value Measurements | Prepaid expenses and other assets
    
Assets and liabilities measured at fair value on a recurring basis    
Derivatives, assets 304 137
Fair Value Measurements | Other Assets
    
Assets and liabilities measured at fair value on a recurring basis    
Derivatives, assets 510 377
Fair Value Measurements | Accounts payable and accrued expenses
    
Assets and liabilities measured at fair value on a recurring basis    
Derivatives, liabilities 32 4
Fair Value Measurements | Other Liabilities
    
Assets and liabilities measured at fair value on a recurring basis    
Derivatives, liabilities $ 20 $ 8