Other Assets (Tables)

12 Months Ended

Dec. 31, 2017

Other Assets..

Schedule of other assets

	December 31,
($ in millions)	2017		2016
Long-term deferred tax assets	$	325	$	443
Long-term pension assets		504		147
Investments in affiliates		274		204
Company and trust-owned life insurance		160		146
Other		143		164
	$	1,406	$	1,104