Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental cash flow information from collateralized securities received

The accompanying cash flows are included in cash flows from operating activities in the Condensed Consolidated Statements of Cash Flows along with the activities resulting from management of the proceeds, which are as follows:

($ in millions)	Nine months ended September 30,
	2019			2018
Net change in proceeds managed
Net change in fixed income securities	$	28		$	78
Net change in short-term investments	(194		)	(72		)
Operating cash flow (used) provided	$	(166	)	$	6
Net change in liabilities
Liabilities for collateral, beginning of period	$	(525	)	$	(542	)
Liabilities for collateral, end of period	(691		)	(536		)
Operating cash flow provided (used)	$	166		$	(6	)