Fair Value of Assets and Liabilities (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Inputs, Level 1 [Member]
Assets: [Abstract]
Deposits held in money market mutual funds	$ 2	$ 3
Foreign exchange contracts	0	0
Total	2	3
Liabilities: [Abstract]
Interest rate swap		0
Foreign exchange contracts	0	0
Total	0	0
Fair Value, Inputs, Level 2 [Member]
Assets: [Abstract]
Deposits held in money market mutual funds	0	0
Foreign exchange contracts	5	3
Total	5	3
Liabilities: [Abstract]
Interest rate swap		3
Foreign exchange contracts	2	2
Total	2	5
Fair Value, Inputs, Level 3 [Member]
Assets: [Abstract]
Deposits held in money market mutual funds	0	0
Foreign exchange contracts	0	0
Total	0	0
Liabilities: [Abstract]
Interest rate swap		0
Foreign exchange contracts	0	0
Total	0	0
Estimate of Fair Value, Fair Value Disclosure [Member]
Assets: [Abstract]
Deposits held in money market mutual funds	2	3
Foreign exchange contracts	5	3
Total	7	6
Liabilities: [Abstract]
Interest rate swap		3
Foreign exchange contracts	2	2
Total	$ 2	$ 5