Consolidated Statements of Total Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Net premiums earned	$ 11	$ 11	$ 25	$ 21
Net investment income:
Securities available-for-sale and short-term	22	26	44	57
Net investment income	42	52	91	31
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	(2)	10	1	18
Realized Investment Gains (Losses)	(2)	10	1	18
Change in fair value of credit derivatives:
Derivative, Gain (Loss) on Derivative, Net	(11)	2	14	(68)
Net realized gains (losses) on extinguishment of debt	0		33
Other Operating Income (Expense), Net	7	0	12	0
Income (loss) on variable interest entities	2	0	2	3
Total revenues	49	75	178	6
Expenses:
Losses and loss expenses (benefit)	(26)	16	(18)	132
Intangible amortization	14	14	33	27
Operating expenses	28	21	62	44
Interest expense	50	58	100	122
Total expenses	66	108	177	325
Pre-tax income (loss)	(18)	(33)	1	(320)
Provision (benefit) for income taxes	11	2	13	(4)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	0		0	0
Net income (loss)	(28)	(35)	(11)	(315)
Net income (loss) attributable to common stockholders	(29)	(35)	(12)	(315)
Other comprehensive income (loss), after tax:
Net income (loss)	(28)	(35)	(11)	(315)
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax	26	104	2	(42)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	1	(2)	8	(48)
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax	0	(1)	(1)	2
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0	0	(1)	(2)
Total other comprehensive income (loss), net of income tax	27	100	8	(90)
Total comprehensive income (loss)	(2)	65	(3)	(405)
Less: comprehensive (gain) loss attributable to the noncontrolling interest
Total comprehensive income (loss) attributable to common stockholders	(2)	$ 65	(3)	$ (405)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	$ 0		$ 0
Earnings Per Share, Basic	$ (0.63)	$ (0.77)	$ (0.54)	$ (6.83)
Earnings Per Share, Diluted	$ (0.63)	$ (0.77)	$ (0.54)	$ (6.83)
Weighted Average Number of Shares Outstanding, Basic	46,576,673	46,166,666	46,446,087	46,113,495
Weighted Average Number of Shares Outstanding, Diluted	46,576,673	46,166,666	46,446,087	46,113,495
Unrealized (loss) gain on securities, taxes	$ 1	$ 1	$ (1)	$ 1
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, Tax	0	0		0
Gain (loss) on foreign currency translation, taxes	0	0	0	0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect	$ 0	$ 0	$ 0	$ 0