Leases (Tables)

12 Months Ended

Dec. 31, 2015

Leases

Future net minimum lease payments for operating leases

        At December 31, 2015, future net minimum lease payments for operating leases, having initial or remaining non-cancelable lease terms in excess of one year, consisted of the following:

	($ in millions)
2016		417
2017		350
2018		286
2019		220
2020		180
Thereafter		304
		1,757
Sublease income		(34	)
Total		1,723

Future net minimum lease payments for capital leases and the present value of the net minimum lease payments

        At December 31, 2015, the future net minimum lease payments for capital leases and the present value of the net minimum lease payments consisted of the following:

	($ in millions)
2016		32
2017		24
2018		22
2019		21
2020		15
Thereafter		82
Total minimum lease payments		196
Less amount representing estimated executory costs included in total minimum lease payments		(1	)
Net minimum lease payments		195
Less amount representing interest		(71	)
Present value of minimum lease payments		124