Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Information

Schedule of supplemental cash flow information from collateralized securities received

($ in millions)		Six months ended June 30,
		2013		2012
Net change in proceeds managed
Net change in short-term investments	$	115	$	(162)
Operating cash flow provided (used)	$	115	$	(162)
Net change in liabilities
Liabilities for collateral, beginning of year	$	(561)	$	(263)
Liabilities for collateral, end of period		(446)		(425)
Operating cash flow (used) provided	$	(115)	$	162