Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Investments:
Assets held for sale	$ 132
Total assets	4,015	$ 4,696
Liabilities:
Liabilities held for sale	59
Total liabilities	4,864	4,996
Commitments and contingencies (Refer to Note 13: Commitments and Contingencies)
Equity:
Preferred stock, par value $1 per share; authorized shares--10,000,000; issued and outstanding—none	0	0
Common stock, par value $1 per share; authorized shares--400,000,000; issued shares--283,186,115 and 283,186,115	283	283
Additional paid-in capital	2,921	2,931
Retained earnings (deficit)	(601)	(458)
Accumulated other comprehensive income (loss), net of tax of $8 and $8	(314)	100
Treasury stock, at cost--228,285,906 and 228,630,003 shares	(3,152)	(3,169)
Total shareholders' equity of MBIA Inc.	(863)	(313)
Preferred stock of subsidiary and noncontrolling interest held for sale	14	13
Total equity	(849)	(300)
Total liabilities and equity	4,015	4,696
Non Variable Interest Entity [Member]
Investments:
Fixed-maturity securities held as available-for-sale, at fair value (amortized cost $2,077 and $2,016)	1,814	2,157
Investments carried at fair value	507	258
Investments pledged as collateral, at fair value (amortized cost $- and $4)	0	4
Short-term investments, at fair value (amortized cost $751 and $374)	751	374
Total investments	3,072	2,793
Cash and cash equivalents	102	151
Premiums receivable (net of allowance for credit losses $5 and $5)	167	178
Deferred acquisition costs	38	42
Insurance loss recoverable	273	1,296
Assets held for sale	132	0
Other assets	78	67
Liabilities:
Unearned premium revenue	287	322
Loss and loss adjustment expense reserves	1,047	894
Long-term debt	2,393	2,331
Medium-term notes (includes financial instruments carried at fair value of $38 and $98)	484	590
Investment agreements	273	274
Derivative liabilities	49	131
Liabilities held for sale	59	0
Other liabilities	92	163
Variable Interest Entity Primary Beneficiary [Member]
Investments:
Investments carried at fair value	49	60
Other assets	16	23
Cash	9	9
Loans receivable at fair value	79	77
Liabilities:
Variable interest entity notes and loans payable (includes financial instruments carried at fair value of $173 and $291)	175	291
Derivative liabilities	$ 5	$ 0