Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income attributable to common shareholders	$ 7	$ (12)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	0	0
Net income (loss)	8	(11)
Adjustments to reconcile net income to net cash used in operating activities:
Other Depreciation and Amortization	1	1
Amortization of bond premium and discount	(6)	(6)
Share-based compensation	10	6
Unearned premiums, net	(25)	(45)
Losses and loss expenses, net	(13)	(56)
Ceded premiums payable	11	7
Premium receivables	12	26
Accrued interest payable	48	45
Amortization of intangible assets	28	33
Net investment gains (losses), including impairments	(17)	(1)
Net realized gains (losses) on extinguishment of debt	(57)	(33)
Variable interest entity activities	(15)	(2)
Derivative assets and liabilities	(54)	(17)
Other, net	81	(30)
Net cash provided by (used in) operating activities	11	(83)
Cash flows from investing activities:
Proceeds from sales of bonds	387	117
Proceeds from matured bonds	69	154
Purchases of bonds	(189)	(228)
Proceeds from sales of other invested assets	108	61
Purchases of other invested assets	(74)	(80)
Change in short-term investments	(2)	76
Change in cash collateral receivable	56	0
Proceeds from paydowns of consolidated VIE assets	83	87
Other, net	2	0
Net cash provided by investing activities	440	187
Cash flows from financing activities:
Paydowns of LSNI Ambac Note	0	(16)
Tax payments related to shares withheld for share-based compensation plans	(3)	(6)
Proceeds from (Payments to) Noncontrolling Interests	1	(1)
Payments of consolidated VIE liabilities	(359)	(85)
Net cash used in financing activities	(434)	(107)
Effect of foreign exchange on cash, cash equivalents and restricted cash	(1)	0
Net cash flow	16	(4)
Cash, cash equivalents, and restricted cash at beginning of period	23	35
Cash, cash equivalents, and restricted cash at end of period	39	$ 32
Treasury Stock, Value, Acquired, Cost Method	(14)
Payment for Debt Extinguishment or Debt Prepayment Cost	$ (58)