Acquisitions and Divestitures	3 Months Ended
Acquisitions and Divestitures	Mar. 31, 2020
Business Combinations [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures 2020 Divestitures. On January 31, 2020, the Company reached an agreement to sell a small manufacturing plant in the United Kingdom for $12 in cash, subject to working capital and other adjustments. The operating results and assets and liabilities of this plant are included in the EP&F segment. Subject to regulatory approvals and provided the parties reach agreement regarding customary closing conditions, the Company currently plans to close the sale in the second quarter of 2020. As a result of entering into the agreement to sell, the Company recognized a charge of $12 related to a non-cash impairment of the net book value of the business, primarily properties, plants, and equipment. This charge was recorded in Restructuring and other charges in the Statement of Consolidated Operations. On February 1, 2020, the Company completed the sale of its aluminum rolling mill in Itapissuma, Brazil for $50 which resulted in a loss of $59. The rolling mill produces specialty foil and sheet products and its operating results and assets and liabilities were included in the GRP segment. As a result of entering into the agreement to sell in August 2019, the Company recognized a charge of $53 in 2019 related to a non-cash impairment of the net book value of the business, primarily properties, plants, and equipment. The Company recognized an incremental charge of $6 in the first quarter of 2020 due to certain adjustments related to unfavorable changes in foreign currency. These charges were recorded in Restructuring and other charges in the Statement of Consolidated Operations. The sale remains subject to certain post-closing adjustments. This business generated sales of $11 and $40 in the first quarter of 2020 and 2019, respectively, and had 525 employees at the time of divestiture. On March 1, 2020, the Company sold its hard alloy extrusions plant in South Korea for $62 in cash, which resulted in a gain of $27 in the first quarter of 2020 recorded in Restructuring and other charges in the Statement of Consolidated Operations. This sale remains subject to certain post-closing adjustments. The operating results and assets and liabilities of this plant were included in the GRP segment. This business generated sales of $8 and $13 in the first quarter of 2020 and 2019, respectively, and had 158 employees at the time of divestiture. 2019 Divestiture. On December 1, 2019, the Company completed the sale of its forgings business in the United Kingdom for $64 in cash, which resulted in a loss on sale of $46 that was recognized in 2019 and an incremental charge of $6 related to certain post-closing adjustments that was recorded in the first quarter of 2020. These charges were recorded in Restructuring and other charges in the Statement of Consolidated Operations. Of the cash proceeds received, $53 was recorded as Restricted cash within Prepaid expenses and other current assets on the Consolidated Balance Sheet at December 31, 2019 and March 31, 2020, as its use is subject to restriction by the U.K. pension authority until certain U.K. pension plan changes have been made and approved. The forgings business primarily produces steel, titanium, and nickel based forged components for aerospace, mining, and off-highway markets and its operating results and assets and liabilities were included in the EP&F segment. The sale remains subject to certain remaining post-closing adjustments. This business generated sales of $32 in the first quarter of 2019 and had 540 employees at the time of divestiture.