Consolidated Statements of Operations (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Net earned premiums	$ 186	$ 231	$ 512	$ 628
Net investment income	99	94	322	291
Net realized investment gains (losses):
Other-than-temporary impairment losses	(20)	(4)	(23)	(32)
Less: portion of other-than-temporary impairment loss recognized in other comprehensive income	(7)	1	6	(6)
Net impairment loss	(13)	(5)	(29)	(26)
Other net realized investment gains (losses)	20	3	83	21
Net realized investment gains (losses)	7	(2)	54	(5)
Net change in fair value of credit derivatives:
Realized gains (losses) and other settlements	(1)	15	19	47
Net unrealized gains (losses)	59	6	87	(23)
Net change in fair value of credit derivatives	58	21	106	24
Fair value gains (losses) on committed capital securities	(4)	(23)	(4)	(50)
Fair value gains (losses) on financial guaranty variable interest entities	3	(11)	25	11
Bargain purchase gain and settlement of pre-existing relationships	0	259	58	259
Other income (loss)	274	(3)	385	49
Total revenues	623	566	1,458	1,207
Expenses
Loss and loss adjustment expenses	223	(9)	354	183
Amortization of deferred acquisition costs	5	4	13	13
Interest expense	24	26	73	77
Other operating expenses	58	65	183	188
Total expenses	310	86	623	461
Income (loss) before income taxes	313	480	835	746
Provision (benefit) for income taxes
Current	(148)	18	(102)	80
Deferred	253	(17)	259	(18)
Total provision (benefit) for income taxes	105	1	157	62
Net income (loss)	$ 208	$ 479	$ 678	$ 684
Earnings per share:
Basic (in dollars per share)	$ 1.75	$ 3.63	$ 5.56	$ 5.10
Diluted (in dollars per share)	1.72	3.60	5.48	5.06
Dividends (in dollars per share)	$ 0.1425	$ 0.13	$ 0.4275	$ 0.39