Financial Guaranty Insurance Losses - Reconciliation of Net Expected Loss to be Paid and Expensed (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Guarantor Obligations [Line Items]
Less: net expected loss to be paid for FG VIEs	$ 60
Salvage and subrogation recoverable, net of reinsurance	155	[1]	410	[1]
Other recoveries	36		58
Net expected loss to be expensed related to consolidated financial guaranty VIEs	98
Consolidated Entity Excluding Variable Interest Entities (VIE)
Guarantor Obligations [Line Items]
Contra-paid, net	39
Salvage and subrogation recoverable, net of reinsurance	150
Loss and LAE reserve	(554)
Other recoveries	15	[2]
Financial Guarantee
Guarantor Obligations [Line Items]
Net expected loss to be paid	801
Total	741
Financial guaranty insurance
Guarantor Obligations [Line Items]
Contra-paid, net	39	[3]	124	[3]
Net expected loss to be expensed	$ 391	[4],[5]

[1] (1) See “Components of Net Reserves (Salvage)” table for loss and LAE reserve and salvage and subrogation recoverable components.

[2] R&W recoverables recorded in other assets on the consolidated balance sheet.

[3] Excludes $187 million and $262 million deferred premium revenue and $55 million and $98 million contra-paid related to FG VIEs as of December 31, 2013 and December 31, 2012, respectively.

[4] Excludes $98 million as of December 31, 2013 related to consolidated FG VIEs.

[5] Consolidation of FG VIEs resulted in reductions of $98 million in net expected loss to be expensed which is on a present value basis.