Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.10.0.1
Fair Value Measurements (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Jun. 29, 2018
Dec. 31, 2017
Assets and liabilities measured at fair value on a recurring basis        
Available-for-sale Securities Fair Value     $ 6,273  
Equity securities with changes in fair value recognized in income     2,299  
Goodwill, Impairment Loss $ 291 $ 375    
Debt securities     6,311 $ 5,924
Derivative, Collateral, Obligation to Return Cash     86 55
Derivative, Collateral, Right to Reclaim Cash     1 2
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 33 $ 33    
Level 1        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       212
Available-for-sale Securities Fair Value       1,899
Equity securities with changes in fair value recognized in income     2,041  
Debt securities     0  
Derivatives, assets     1 7
Total assets     2,042 2,118
Derivatives, liabilities     (8) (3)
Total liabilities     (8) (3)
Level 2        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       127
Available-for-sale Securities Fair Value       5,739
Equity securities with changes in fair value recognized in income     188  
Debt securities     6,292  
Derivatives, assets     309 250
Total assets     6,789 6,116
Derivatives, liabilities     (156) (262)
Total liabilities     (156) (262)
Level 3        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       3
Available-for-sale Securities Fair Value       169
Equity securities with changes in fair value recognized in income     3  
Debt securities     19  
Derivatives, assets     0 0
Total assets     22 172
Derivatives, liabilities     0 0
Total liabilities     0 0
Other [Member]        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       65
Available-for-sale Securities Fair Value       0
Equity securities with changes in fair value recognized in income     67  
Debt securities     0  
Derivatives, assets     0 0
Total assets     67 65
Derivatives, liabilities     0 0
Total liabilities     0 0
Netting Adjustment        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       0
Available-for-sale Securities Fair Value       0
Equity securities with changes in fair value recognized in income     0  
Debt securities     0  
Derivatives, assets     (194) (198)
Total assets     (194) (198)
Derivatives, liabilities     117 147
Total liabilities     117 147
Fair Value Measurements        
Assets and liabilities measured at fair value on a recurring basis        
Trading Securities       407
Available-for-sale Securities Fair Value       7,807
Equity securities with changes in fair value recognized in income     2,299  
Debt securities     6,311  
Derivatives, assets     116 59
Total assets     8,726 8,273
Derivatives, liabilities     (47) (118)
Total liabilities     (47) (118)
Other Assets        
Assets and liabilities measured at fair value on a recurring basis        
Equity securities with changes in fair value recognized in income     1,034  
Other Assets | Fair Value Measurements        
Assets and liabilities measured at fair value on a recurring basis        
Derivatives, assets     116 59
Accounts payable and accrued expenses | Fair Value Measurements        
Assets and liabilities measured at fair value on a recurring basis        
Derivatives, liabilities       28
Liabilities held for sale - discontinued operations [Member] | Fair Value Measurements        
Assets and liabilities measured at fair value on a recurring basis        
Derivatives, liabilities     2 12
Other Liabilities | Fair Value Measurements        
Assets and liabilities measured at fair value on a recurring basis        
Derivatives, liabilities     $ 45 $ 78