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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Tax Credit Carryforward [Line Items] |  |  |
Earnings and Profits (E&P) of foreign subsidiaries | $ 440 |  |
Change in valuation allowance | 8 | $ (15) | $ (33)
R&D tax credits | 6 | $ 5 | $ 1
Expiration Year 2035 [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
R&D tax credits | 24 |  |
U.S Federal and State [Member] | Expiration Between Years 2036 To 2038 [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax loss carryforwards | 13 |  |
U.S Federal [Member] | Expiration Year 2026 [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax credit carryforwards | 18 |  |
Foreign [Member] | Expiration Between Years 2026 to 2029 [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax loss carryforwards | 3 |  |
Foreign Subsidiary Earnings [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Change in valuation allowance | (5) |  |
Foreign Tax Credits [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Change in valuation allowance | $ (3) |  |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e32123-109318 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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