Investments - Unrealized net capital gains and losses included in AOCI (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Fair value
Fixed income securities:	$ 64,448	$ 59,044
Short-term investments	5,344	4,256
Derivative instruments	0	0
Gross unrealized Gains
Fixed income securities	4,229	2,847
Short-term investments	1	0
Derivative instruments	0	0
Gross unrealized Losses
Fixed income securities	(315)	(96)
Short-term investments	0	0
Derivative instruments	(3)	(3)
Unrealized net gains (losses)
Fixed income securities	3,914	2,751
Short-term investments	1	0
Derivative instruments	(3)	(3)
Equity method of accounting (“EMA”) limited partnerships	(8)	(4)
Unrealized net capital gains and losses, pre-tax	3,904	2,744
Amount recognized for:
Insurance reserves	(319)	(126)
DAC and DSI	(284)	(224)
Amounts recognized	(603)	(350)
Deferred income taxes	(699)	(507)
Total unrealized net capital gains and losses	$ 2,602	$ 1,887