Asset Impairment, Exit, and Restructuring Costs	3 Months Ended
Mar. 31, 2019
Restructuring, Settlement and Impairment Provisions [Abstract]
Asset Impairment, Exit, and Restructuring Costs	Asset Impairment, Exit, and Restructuring Costs Asset impairment, exit, and restructuring costs in the three months ended March 31, 2019 consisted of $9 million of impairments related to certain long-lived assets presented as specified items within segment operating profit and $2 million of individually insignificant restructuring charges in Corporate. Asset impairment, exit, and restructuring costs in the three months ended March 31, 2018 consisted of $12 million of an equity investment impairment and $1 million of individually insignificant restructuring charges presented as specified items within segment operating profit, and $3 million of individually insignificant restructuring charges in Corporate.

Asset Impairment, Exit, and Restructuring Costs

3 Months Ended

Mar. 31, 2019

Restructuring, Settlement and Impairment Provisions [Abstract]

Asset Impairment, Exit, and Restructuring Costs

Asset impairment, exit, and restructuring costs in the three months ended March 31, 2019 consisted of $9 million of impairments related to certain long-lived assets presented as specified items within segment operating profit and $2 million of individually insignificant restructuring charges in Corporate. Asset impairment, exit, and restructuring costs in the three months ended March 31, 2018 consisted of $12 million of an equity investment impairment and $1 million of individually insignificant restructuring charges presented as specified items within segment operating profit, and $3 million of individually insignificant restructuring charges in Corporate.