Other non-current assets (Tables)

12 Months Ended

Dec. 31, 2015

Other non-current assets

Other non-current assets

	December 31,
($ in millions)	2015		2014
Pledged financial assets		220		229
Derivatives (including embedded derivatives) (see Note 5)		186		189
Investments		58		65
Restricted cash		55		64
Other		124		154
Total		643		701