Financing Arrangements and Derivative Financial Instruments - Long Term Debt and Capital Leases Due Within One Year (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Notes Payable, Overdrafts, Long-term Debt and Capital Leases Due Within One Year
Notes payable and overdrafts	$ 410	$ 262
Long term debt and capital leases due within one year:
Total long term debt and capital leases due within one year	243	391
Total obligations due within one year	653	653
Other Foreign and Domestic Debt
Long term debt and capital leases due within one year:
Total long term debt and capital leases due within one year	$ 211	$ 278
Weighted average interest rate	5.35%	6.02%
Long Term Debt And Capital Leases, Current
Long term debt and capital leases due within one year:
Weighted average interest rate	4.57%	6.86%
Chinese credit facilities | Line of Credit | Foreign Line of Credit
Long term debt and capital leases due within one year:
Total long term debt and capital leases due within one year	$ 32	$ 113
Weighted average interest rate	5.03%	4.87%
Line of Credit | Chinese credit facilities | Foreign Line of Credit
Notes Payable, Overdrafts, Long-term Debt and Capital Leases Due Within One Year
Notes payable and overdrafts	$ 122	$ 0
Other Foreign and Domestic Debt
Notes Payable, Overdrafts, Long-term Debt and Capital Leases Due Within One Year
Notes payable and overdrafts	$ 288	$ 262
Notes Payable and Overdrafts
Notes Payable, Overdrafts, Long-term Debt and Capital Leases Due Within One Year
Weighted average interest rate	8.03%	5.00%