Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.8.0.1
Fair Value Measurements (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 30, 2018
Dec. 31, 2017
Assets and liabilities measured at fair value on a recurring basis      
Available-for-sale Securities Fair Value   $ 6,077  
Equity securities with changes in fair value recognized in income   2,289  
Goodwill, Impairment Loss $ 84    
Debt securities   6,114 $ 5,924
Derivative, Collateral, Obligation to Return Cash   99 55
Derivative, Collateral, Right to Reclaim Cash   55 2
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   2,056  
Debt securities   0  
Derivatives, assets   5 7
Total assets   2,061 2,118
Derivatives, liabilities   (5) (3)
Total liabilities   (5) (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   164  
Debt securities   5,957  
Derivatives, assets   289 250
Total assets   6,410 6,116
Derivatives, liabilities   (276) (262)
Total liabilities   (276) (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   157  
Derivatives, assets   0 0
Total assets   160 172
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   66  
Debt securities   0  
Derivatives, assets   0 0
Total assets   66 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   (241) (198)
Total assets   (241) (198)
Derivatives, liabilities   202 147
Total liabilities   202 147
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   2,289  
Debt securities   6,114  
Derivatives, assets   53 59
Total assets   8,456 8,273
Derivatives, liabilities   (79) (118)
Total liabilities   (79) (118)
Other Assets      
Assets and liabilities measured at fair value on a recurring basis      
Equity securities with changes in fair value recognized in income   1,019  
Other Assets | Fair Value Measurements      
Assets and liabilities measured at fair value on a recurring basis      
Derivatives, assets   53 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   12 12
Other Liabilities | Fair Value Measurements      
Assets and liabilities measured at fair value on a recurring basis      
Derivatives, liabilities   $ 67 $ 78