Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details 2)

v3.6.0.2
INVESTMENTS (Details 2) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Available-for-sale securities, by type    
Available-for-sale securities, cost $ 5,952 $ 8,166
Available-for-sale Securities, Accumulated Gross Unrealized Gain 514 549
Available-for-sale Securities, Accumulated Gross Unrealized Loss (53) (109)
Available-for-sale securities, estimated fair value 6,413 8,606
Equity securities    
Available-for-sale securities, by type    
Available-for-sale securities, cost 1,252 3,573
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain 425 485
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss (22) (84)
Available-for-sale securities, estimated fair value 1,655 3,974
Debt securities    
Available-for-sale securities, by type    
Available-for-sale securities, cost 4,700 4,593
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain 89 64
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, (31) (25)
Available-for-sale securities, estimated fair value $ 4,758 $ 4,632