Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 164	$ 187
Insurance loss recoverable	483	504
Assets held for sale		555
Deferred income taxes, net	0	970
Loan repurchase commitments	407	404
Total assets	9,767	11,137
Liabilities:
Loss and loss adjustment expense reserves	714	541
Liabilities held for sale		346
Total liabilities	7,811	7,898
Commitments and contingencies (Refer to Note 14)
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-- 283,997,527 and 283,989,999	284	284
Additional paid-in capital	3,168	3,160
Retained earnings	1,399	2,700
Accumulated other comprehensive income (loss), net of tax of $17 and $37	(39)	(128)
Treasury stock, at cost-- 158,175,472 and 148,789,168 shares	(2,868)	(2,789)
Total shareholders' equity of MBIA Inc.	1,944	3,227
Preferred stock of subsidiary	12	12
Total equity	1,956	3,239
Total liabilities and equity	9,767	11,137
Non Variable Interest Entity [Member]
Assets
Fixed-maturity securities held as available-for-sale, at fair value (amortized cost $4,208 and $4,713)	4,176	4,694
Investments carried at fair value	154	146
Investments pledged as collateral, at fair value (amortized cost $168 and $234)	169	233
Short-term investments held as available-for-sale, at fair value (amortized cost $767 and $552)	768	552
Other investments (includes investments at fair value of $3 and $5)	5	8
Total investments	5,272	5,633
Cash and cash equivalents	143	163
Premiums receivable	384	409
Deferred acquisition costs	104	118
Insurance loss recoverable	483	504
Assets held for sale	0	555
Deferred income taxes, net	0	970
Other assets	106	113
Liabilities:
Unearned premium revenue	861	958
Loss and loss adjustment expense reserves	714	541
Long-term debt	2,061	1,986
Medium-term notes (includes financial instruments carried at fair value of $123 and $101)	876	895
Investment agreements	365	399
Derivative liabilities	293	299
Liabilities held for sale	0	346
Other liabilities	175	233
Variable Interest Entity Primary Beneficiary [Member]
Assets
Investments carried at fair value	241	255
Other assets	26	33
Cash	21	24
Investments held-to-maturity, at amortized cost (fair value $894 and $876)	890	890
Loans receivable at fair value	1,690	1,066
Loan repurchase commitments	407	404
Liabilities:
Variable interest entity notes (includes financial instruments carried at fair value of $1,261 and $1,351)	$ 2,466	$ 2,241