Assets Other Assets, noncurrent (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Schedule of Assets, noncurrent [Line Items]
Operating Lease, Right-of-Use Asset	$ 101	$ 107
Income Taxes Receivable, Noncurrent	32	28
Derivative Asset	29	13
Value Added Tax Receivable, Noncurrent	4	7
Debt Issuance Costs, Line of Credit Arrangements, Net	3	2
Reimbursable Engineering Costs, Noncurrent	3	1
Other Assets, Miscellaneous, Noncurrent	37	34
Total Other long-term assets	233	219
Tula [Member]
Schedule of Assets, noncurrent [Line Items]
Other Long-term Investments	21	21
PolyCharge [Member]
Schedule of Assets, noncurrent [Line Items]
Other Long-term Investments	$ 3	$ 6