Supplemental Information	9 Months Ended
Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Information	Supplemental Information Accrued Liabilities Accrued liabilities were $675 and $657 at September 30, 2018 and December 31, 2017, respectively. Accrued rebates, which are components of accrued liabilities, were $112 and $108 at September 30, 2018 and December 31, 2017, respectively. No other component of accrued liabilities was more than five percent of total current liabilities. Accrued liabilities with affiliates were $45 and $37 at September 30, 2018 and December 31, 2017, respectively. Non-cash Investing Activity The change in capital expenditure accrual resulted in a decrease in additions to property, plant and equipment by $8 for the nine months ended September 30, 2018. The change in capital expenditure accrual resulted in an increase in additions to property, plant and equipment by $8 for the nine months ended September 30, 2017. Other Income, Net For the three months ended September 30, 2018, other income, net included income from pension and postretirement plans, including a one-time settlement gain, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $16, $5 and $4, respectively. For the three months ended September 30, 2017, other income, net included income from pension and postretirement plans, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $2, $4 and $1, respectively. For the nine months ended September 30, 2018 other income, net included income from pension and postretirement plans, including a one-time settlement gain, gain on redemption of the 2021 Notes, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $23, $6, $17 and $13, respectively. For the nine months ended September 30, 2017, other income, net included income from pension and postretirement plans, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $6, $11 and $2, respectively.

Supplemental Information

Accrued Liabilities

Accrued liabilities were $675 and $657 at September 30, 2018 and December 31, 2017, respectively. Accrued rebates, which are components of accrued liabilities, were $112 and $108 at September 30, 2018 and December 31, 2017, respectively. No other component of accrued liabilities was more than five percent of total current liabilities. Accrued liabilities with affiliates were $45 and $37 at September 30, 2018 and December 31, 2017, respectively.

Non-cash Investing Activity

The change in capital expenditure accrual resulted in a decrease in additions to property, plant and equipment by $8 for the nine months ended September 30, 2018. The change in capital expenditure accrual resulted in an increase in additions to property, plant and equipment by $8 for the nine months ended September 30, 2017.

Other Income, Net

For the three months ended September 30, 2018, other income, net included income from pension and postretirement plans, including a one-time settlement gain, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $16, $5 and $4, respectively. For the three months ended September 30, 2017, other income, net included income from pension and postretirement plans, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $2, $4 and $1, respectively. For the nine months ended September 30, 2018 other income, net included income from pension and postretirement plans, including a one-time settlement gain, gain on redemption of the 2021 Notes, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $23, $6, $17 and $13, respectively. For the nine months ended September 30, 2017, other income, net included income from pension and postretirement plans, income from unconsolidated subsidiaries and interest income on cash and cash equivalents of $6, $11 and $2, respectively.