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Restructuring Costs - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Restructuring and Related Activities [Abstract] |  |  |  |
Restructuring costs, net | $ 4 | $ 3 | $ 14 | $ 22
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs, net | 4 | $ 3 | 14 | $ 22
2020 Restructuring Plan |  |  |  |
Restructuring and Related Activities [Abstract] |  |  |  |
Restructuring costs, net | 4 |  | 12 |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs, net | 4 |  | 12 |
2020 Restructuring Plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring costs | 20 |  | 20 |
2020 Restructuring Plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring costs | $ 25 |  | $ 25 |

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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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