Premiums Receivable and Other Insurance Assets

12 Months Ended

Dec. 31, 2011

Premiums Receivable and Other Insurance Assets [Abstract]

Premiums Receivable and Other Insurance Assets

13.    Premiums Receivable and Other Insurance Assets

Premiums receivable and other insurance assets consisted of the following.

December 31, ($ in millions)	2011		2010
Prepaid reinsurance premiums	$	218	$	249
Reinsurance recoverable on unpaid losses	321		487
Reinsurance recoverable on paid losses	54		54
Premiums receivable	288		341
Deferred policy acquisition costs	972		1,050
Total premiums receivable and other insurance assets	$	1,853	$	2,181