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Income Taxes NOL and Tax Credit Carryforwards (Details) $ in Millions | Dec. 31, 2017 USD ($)
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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

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