Contingencies And Other Risks (Tables)

12 Months Ended

Dec. 31, 2012

Loss Contingency [Abstract]

Schedule Of Changes In Reserve And Warranty Obligations [Table Text Block]

The following table summarizes the changes in our reserve for representation and warranty obligations.

Year ended December 31, ($ in millions)	2012 (a)			2011
Balance at January 1,	$	825		$	830
Provision for mortgage representation and warranty expenses
Loan sales	16			19
Change in estimate — continuing operations	67			324
Total additions	83			343
Resolved claims (b)	(146		)	(360		)
Recoveries	8			12
Deconsolidation of ResCap	(665		)	—
Balance at December 31,	$	105		$	825

(a) The remaining balance is at Ally Bank as a result of the deconsolidation of ResCap. Refer to Note 1 for more information regarding the Debtors' Bankruptcy and the deconsolidation of ResCap.

(b) Includes principal losses and accrued interest on repurchased loans, indemnification payments, and settlements with counterparties.