Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2017

Text Block [Abstract]

Summary Of Nonconsolidated VIEs Assets And Liabilities

			December 31, 2017
							Carrying Value of Assets						Carrying Value of Liabilities
															Loss and Loss
					Maximum								Unearned		Adjustment
			VIE		Exposure				Premiums		Insurance Loss		Premium		Expense
In millions			Assets		to Loss		Investments(1)		Receivable(2)		Recoverable(3)		Revenue(4)		Reserves(5)
Insurance:
	Global structured finance:
		Mortgage-backed residential	$	7,295	$	3,741	$	19	$	22	$	172	$	20	$	396
		Mortgage-backed commercial		216		94		-		-		-		-		-
		Consumer asset-backed		5,010		981		-		4		1		3		10
		Corporate asset-backed		2,418		1,645		-		13		-		14		-
	Total global structured finance			14,939		6,461		19		39		173		37		406
	Global public finance			15,568		2,524		-		10		-		14		-
Total insurance			$	30,507	$	8,985	$	19	$	49	$	173	$	51	$	406
__________
(1) - Reported within "Investments" on MBIA's consolidated balance sheets.
(2) - Reported within "Premiums receivable" on MBIA's consolidated balance sheets.
(3) - Reported within "Insurance loss recoverable" on MBIA's consolidated balance sheets.
(4) - Reported within "Unearned premium revenue" on MBIA's consolidated balance sheets.
(5) - Reported within "Loss and loss adjustment expense reserves" on MBIA's consolidated balance sheets.

			December 31, 2016
							Carrying Value of Assets						Carrying Value of Liabilities
															Loss and Loss
					Maximum								Unearned		Adjustment
			VIE		Exposure				Premiums		Insurance Loss		Premium		Expense
In millions			Assets		to Loss		Investments(1)		Receivable(2)		Recoverable(3)		Revenue(4)		Reserves(5)
Insurance:
	Global structured finance:
		Collateralized debt obligations	$	3,167	$	1,914	$	51	$	2	$	-	$	-	$	73
		Mortgage-backed residential		9,146		4,796		20		28		304		27		325
		Mortgage-backed commercial		257		145		-		-		-		-		-
		Consumer asset-backed		4,893		1,331		-		7		2		5		8
		Corporate asset-backed		2,625		2,205		5		18		-		20		-
	Total global structured finance			20,088		10,391		76		55		306		52		406
	Global public finance			44,306		12,051		-		11		-		18		-
Total insurance			$	64,394	$	22,442	$	76	$	66	$	306	$	70	$	406
__________
(1) - Reported within "Investments" on MBIA's consolidated balance sheets.
(2) - Reported within "Premiums receivable" on MBIA's consolidated balance sheets. Excludes $125 million that is included within “Assets held for sale” on the Company’s consolidated balance sheets.
(3) - Reported within "Insurance loss recoverable" on MBIA's consolidated balance sheets.
(4) - Reported within "Unearned premium revenue" on MBIA's consolidated balance sheets. Excludes $134 million that is included within “Liabilities held for sale” on the Company’s consolidated balance sheets.
(5) - Reported within "Loss and loss adjustment expense reserves" on MBIA's consolidated balance sheets.