Liabilities Other Liabilities, Non Current (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Other Liabilities Disclosure [Abstract]
Environmental (Note 11)	$ 3	$ 3
Warranty obligations (Note 7)	27	33
Restructuring (Note 8)	32	47
Accrued income taxes	14	15
Deferred income taxes	20	14
Other	3	7
Total	$ 99	$ 119

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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