Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 2)

v3.5.0.2
Investments (Details 2) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Available-for-sale securities, by type    
Available-for-sale Securities Fair Value $ 6,605 $ 8,606
Available-for-sale Securities, Amortized Cost Basis 6,058 8,166
Available-for-sale Securities Gross Unrealized Gains 597 549
Available-for-sale Securities Gross Unrealized Losses (50) (109)
Equity Securities    
Available-for-sale securities, by type    
Available-for-sale Securities Fair Value 1,715 3,974
Available-for-sale Securities, Amortized Cost Basis 1,266 3,573
Available-for-sale Securities Gross Unrealized Gains 484 485
Available-for-sale Securities Gross Unrealized Losses (35) (84)
Debt Securities    
Available-for-sale securities, by type    
Available-for-sale Securities Fair Value 4,890 4,632
Available-for-sale Securities, Amortized Cost Basis 4,792 4,593
Available-for-sale Securities Gross Unrealized Gains 113 64
Available-for-sale Securities Gross Unrealized Losses $ (15) $ (25)