Investments (Details 9) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Fair value
Fixed income securities:	$ 58,656	$ 57,839
Equity securities	6,117	5,666
Short-term investments	2,175	4,288
Derivative instruments	3	5
Gross unrealized Gains
Fixed income securities	1,963	1,710
Equity securities	837	594
Short-term investments	0	0
Derivative instruments	3	5
Gross unrealized Losses
Fixed income securities	(208)	(447)
Equity securities	(41)	(85)
Short-term investments	0	0
Derivative instruments	(4)	(3)
Unrealized net gains (losses)
Fixed income securities	1,755	1,263
Equity securities	796	509
Short-term investments	0	0
Derivative instruments	(1)	2
EMA limited partnerships	(1)	(4)
Unrealized net capital gains and losses, pre-tax	2,549	1,770
Amount recognized for:
Insurance reserves	0	0
DAC and DSI	(198)	(146)
Amounts recognized	(198)	(146)
Deferred income taxes	(825)	(571)
Total unrealized net capital gains and losses	1,526	1,053
Fair value of derivative securities classified as liabilities, with unrealized net gains (losses) in AOCI	$ (3)
Fair value of derivative securities classified as assets, with unrealized net gains (losses) in AOCI		$ 5