Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Available-for-sale securities
Available-for-sale securities	$ 69,160	$ 67,479
AFS securities allowance for credit losses	140
Mortgage loans allowance for credit losses	313	11
Mortgage loans	14,591	14,306
Investment funds	156	154
Investment funds	723	750
Funds withheld at interest	48,593	15,181
Short-term Investments	165	596
Other Investments allowance for credit losses	8
Other investments	949	158
Cash and cash equivalents	7,548	4,240
Accrued investment income	796	807
Reinsurance recoverable	5,104	4,863
Other assets	1,044	1,005
Trading securities	2,069	2,070
Deferred acquisition costs, deferred sales inducements and value of business acquired	5,165	5,008
Interest sensitive contract liabilities	141,207	102,745
Future policy benefits	24,823	23,330
Other policy claims and benefits	118	138
Funds withheld liability	440	408
Other liabilities	1,897	1,181
Accumulated other comprehensive income	2,888	2,281
Related Party
Available-for-sale securities
Available-for-sale securities	4,861	3,783
AFS securities allowance for credit losses	2	0
Equity securities	50	64
Mortgage loans allowance for credit losses		0
Mortgage loans	640	653
Investment funds	1,850	819
Investment funds	4,808	3,550
Funds withheld at interest	13,053	13,220
Other Investments allowance for credit losses	5
Other investments	467	487
Accrued investment income	38	27
Trading securities	1,397	785
Interest sensitive contract liabilities	14,352	15,285
Future policy benefits	1,527	1,302
Other policy claims and benefits	2	13
Other liabilities	92	79
Accumulated other comprehensive income	(19)	17
Variable Interest Entities
Available-for-sale securities
Mortgage loans	1,879	0
Investment funds	0	19
Cash and cash equivalents	0	3
Other assets	1	20
Trading securities	0	16
Other liabilities	134	0
Variable Interest Entities | Related Party
Available-for-sale securities
Equity securities	0	6
Investment funds	0	664
Fair Value
Available-for-sale securities
Mortgage loans	15,114	14,719
Investment funds	567	596
Funds withheld at interest	47,334	14,380
Short-term Investments		190
Other investments	852	65
Interest sensitive contract liabilities	96,125	58,027
Funds withheld liability	390	377
Fair Value | Related Party
Available-for-sale securities
Mortgage loans	628	641
Investment funds	2,958	2,731
Funds withheld at interest	12,332	12,626
Other investments	$ 489	$ 537
Preference Share, Series A
Available-for-sale securities
Preferred Stock, Par or Stated Value Per Share	$ 1	$ 1
Preferred Stock, Liquidation Preference, Value	$ 863	$ 863
Preferred Stock, Shares Authorized	34,500	0.0
Preferred Stock, Shares Issued	34,500	0.0
Preferred Stock, Shares Outstanding	34,500	0.0
Preference Share, Series B
Available-for-sale securities
Preferred Stock, Par or Stated Value Per Share	$ 1	$ 1
Preferred Stock, Liquidation Preference, Value	$ 345	$ 345
Preferred Stock, Shares Authorized	13,800	0.0
Preferred Stock, Shares Issued	13,800	0.0
Preferred Stock, Shares Outstanding	13,800	0.0
Preference Share, Series C
Available-for-sale securities
Preferred Stock, Par or Stated Value Per Share	$ 1
Preferred Stock, Liquidation Preference, Value	$ 600
Preferred Stock, Shares Authorized	24,000
Preferred Stock, Shares Issued	24,000
Preferred Stock, Shares Outstanding	24,000
Common Class A
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	425,000,000.0	425,000,000.0
Common stock issued (in shares)	191,500,000	143,200,000
Common stock outstanding (in shares)	191,500,000	143,200,000
Common Class B
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	0.0	325,000,000.0
Common stock issued (in shares)	0.0	25,400,000
Common stock outstanding (in shares)	0	25,400,000
Common Class M-1
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	0.0	7,100,000
Common stock issued (in shares)	0.0	3,300,000
Common stock outstanding (in shares)	0	3,300,000
Common Class M-2
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	0.0	5,000,000.0
Common stock issued (in shares)	0.0	800,000
Common stock outstanding (in shares)	0.0	800,000
Common Class M-3
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	0.0	7,500,000
Common stock issued (in shares)	0.0	1,000,000.0
Common stock outstanding (in shares)	0.0	1,000,000.0
Common Class M-4
Available-for-sale securities
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	0.0	7,500,000
Common stock issued (in shares)	0.0	4,000,000.0
Common stock outstanding (in shares)	0.0	4,000,000.0
Recurring
Available-for-sale securities
Investment funds		$ 819
Recurring | Fair Value
Available-for-sale securities
Equity securities	$ 265	247
Mortgage loans	19	27
Investment funds	156	154
Funds withheld at interest	1,259	801
Short-term Investments	165	406
Other investments	109	93
Reinsurance recoverable	2,155	1,821
Trading securities	2,069	2,070
Interest sensitive contract liabilities	13,104	11,992
Future policy benefits	2,354	2,301
Funds withheld liability	50	31
Recurring | Fair Value | Related Party
Available-for-sale securities
Equity securities	50	64
Investment funds	1,850	819
Funds withheld at interest	721	594
Trading securities	$ 1,397	$ 785