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Segments, Geographical Area and Major Customer Information - Additional Information (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($) operating_segment | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of operating segments | operating_segment | 4 |  |
Net Sales | $ 7,209 | $ 5,826 | $ 6,060
Ford [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 1,553 | $ 1,300 | $ 1,187
Sales [Member] | Ford [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 22.00% | 22.00% | 20.00%
Minimum [Member] | Sales [Member] | Customer Concentration Risk [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 10.00% | 10.00% | 10.00%
UNITED STATES |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 3,209 | $ 2,695 | $ 2,805
UNITED STATES | Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 45.00% |  |
ITALY |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 762 | 499 | 570
ITALY | Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 11.00% |  |
GERMANY |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 473 | $ 377 | $ 368
GERMANY | Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 7.00% |  |
Other Countries | Minimum [Member] | Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales as a percent of total revenue | 5.00% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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