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Income Taxes NOL and Tax Credit Carryforwards (Details) $ in Millions	Dec. 31, 2017 USD ($)
United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	$ 980
State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	168
Tax credit carryforwards	23
United Kingdom [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	6
Luxembourg [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	19
Within 5 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Within 5 years [Member] | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	19
Tax credit carryforwards	5
Within 5 years [Member] | United Kingdom [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Within 5 years [Member] | Luxembourg [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Within 5-20 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	980
Within 5-20 years [Member] | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	149
Tax credit carryforwards	18
Within 5-20 years [Member] | United Kingdom [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Within 5-20 years [Member] | Luxembourg [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Foreign Tax Credits [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	65
Foreign Tax Credits [Member] | Within 5 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	19
Foreign Tax Credits [Member] | Within 5-20 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	46
Research Tax Credit Carryforward [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	11
Research Tax Credit Carryforward [Member] | Within 5 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	0
Research Tax Credit Carryforward [Member] | Within 5-20 years [Member] | United States [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	11
Economic Zone Credit [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	12
Economic Zone Credit [Member] | Within 5 years [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	0
Economic Zone Credit [Member] | Within 5-20 years [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	$ 12

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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X

- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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+ References

No definition available.

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