Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2015

Leases [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments and sublease proceeds under these leases with initial or remaining terms in excess of one year, including leases involved in facility restructurings, are as follows (dollars in millions):

	Operating Lease Commitments
Years ending December 31,
2016	$	26
2017	26
2018	23
2019	21
2020	15
Thereafter	22
Total future minimum lease payments	$	133
Sublease proceeds	(3		)
Net lease commitments	$	130