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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Income Tax Disclosure [Line Items] |  |
Statutory tax rate | 21.00% |
2017 Tax Act, decrease of deferred tax expense |  | $ (156)
2017 Tax Act, increase in taxes payable |  | 36
2017 Tax Act, net impact |  | $ 120
United States [Member] |  |
Income Tax Disclosure [Line Items] |  |
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions | 2015 |
Canada [Member] |  |
Income Tax Disclosure [Line Items] |  |
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions | 2013 |
Malaysia [Member] |  |
Income Tax Disclosure [Line Items] |  |
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions | 2012 |
United Kingdom [Member] |  |
Income Tax Disclosure [Line Items] |  |
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions | 2017 |

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- Definition Amount of income tax expense for remeasurement of deferred tax asset from change in tax rate pursuant to Tax Cuts and Jobs Act. + References No definition available. + Details
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- Definition Amount of income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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