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	$	113		$	(202	)
Operating cash flow provided (used)		113			(202	)
Net change in cash		3			(1	)
Net change in proceeds managed	$	116		$	(203	)
Net change in liabilities
Liabilities for collateral, beginning of year	$	(808	)	$	(462	)
Liabilities for collateral, end of period		(692	)		(665	)
Operating cash flow (used) provided	$	(116	)	$	203