Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 478	$ 280
Total assets	8,647	8,107
Liabilities:
Total liabilities	7,594	6,975
Commitments and contingencies (Refer to Note 14: 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--283,625,689 and 283,625,689	284	284
Additional paid-in capital	2,995	3,025
Retained earnings	779	966
Accumulated other comprehensive income (loss), net of tax of $32 and $8	(4)	(156)
Treasury stock, at cost--198,824,693 and 193,803,976 shares	(3,014)	(3,000)
Total shareholders' equity of MBIA Inc.	1,040	1,119
Preferred stock of subsidiary	13	13
Total equity	1,053	1,132
Total liabilities and equity	8,647	8,107
Non Variable Interest Entity [Member]
Assets
Fixed-maturity securities held as available-for-sale, at fair value (amortized cost $3,122 and $3,601)	3,255	3,565
Investments carried at fair value	227	222
Investments pledged as collateral, at fair value (amortized cost $14 and $46)	10	43
Short-term investments, at fair value (amortized cost $332 and $241)	332	241
Other investments at amortized cost	1	1
Total investments	3,825	4,072
Cash and cash equivalents	409	222
Premiums receivable	281	296
Deferred acquisition costs	65	74
Insurance loss recoverable	1,623	1,595
Other assets	152	122
Liabilities:
Unearned premium revenue	520	587
Loss and loss adjustment expense reserves	998	965
Long-term debt	2,315	2,249
Medium-term notes (includes financial instruments carried at fair value of $110 and $102)	679	722
Investment agreements	305	311
Derivative liabilities	222	199
Other liabilities	215	198
Variable Interest Entity Primary Beneficiary [Member]
Assets
Investments carried at fair value	624	157
Other assets	127	31
Cash	69	58
Investments held-to-maturity, at amortized cost (fair value $967 and $925)	890	890
Loans receivable at fair value	154	172
Loan repurchase commitments	428	418
Liabilities:
Variable interest entity notes (includes financial instruments carried at fair value of $1,120 and $480)	$ 2,340	$ 1,744