Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Information

Schedule of supplemental cash flow information from collateralized securities received

($ in millions)		Nine months ended September 30,
		2012		2011
Net change in proceeds managed
Net change in short-term investments	$	(240)	$	(84)
Operating cash flow used	$	(240)	$	(84)
Net change in liabilities
Liabilities for collateral, beginning of year	$	(263)	$	(465)
Liabilities for collateral, end of period		(503)		(549)
Operating cash flow provided	$	240	$	84