Condensed Consolidated Statements of Operations (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Net earned premiums	$ 112	$ 136	$ 230	$ 281
Net investment income	110	98	208	198
Net realized investment gains (losses)	8	(2)	(4)	(7)
Net change in fair value of credit derivatives	(8)	48	(30)	82
Fair value gains (losses) on financial guaranty variable interest entities	33	2	38	6
Foreign exchange gain (loss) on remeasurement	(14)	(36)	(3)	(14)
Other income (loss)	25	(26)	22	(33)
Total revenues	266	220	461	513
Expenses
Loss and loss adjustment expenses	(1)	44	45	26
Amortization of deferred acquisition costs	4	4	10	9
Interest expense	22	24	45	48
Other operating expenses	60	62	124	127
Total expenses	85	134	224	210
Income (loss) before income taxes and equity in net earnings of investees	181	86	237	303
Equity in net earnings of investees	1	1	3	1
Income (loss) before income taxes	182	87	240	304
Provision (benefit) for income taxes	40	12	44	32
Net income (loss) attributable to Assured Guaranty Ltd.	$ 142	$ 75	$ 196	$ 272
Earnings per share:
Basic (in dollars per share)	$ 1.40	$ 0.67	$ 1.92	$ 2.39
Diluted (in dollars per share)	$ 1.39	$ 0.67	$ 1.90	$ 2.37