Other Assets (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Other Assets [Abstract]
Recoverable Taxes	$ 75	$ 67
Non-trade receivables	58	28
Contractual reimbursable engineering costs	49	36
Joint venture receivables	47	52
Prepaid assets and deposits	34	30
Deferred tax assets	16	20
Other	6	6
Other Assets, Current	285	239
Recoverable taxes, non current	404	58
Deferred tax assets	20	24
Contractually reimbursable engineering costs	4	31
Other	34	33
Other Assets, Noncurrent	462	$ 146
Korean Capital Gains Withholding Tax	377
Reimbursement for engineering costs in year one	22
Reimbursement for engineering costs expected in year two	28
Reimbursement for engineering costs expected in year three	1
Reimbursement for engineering costs for year four	1
Reimbursement for engineering costs expected in year five and after	$ 1