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Restructuring and Related Implementation Charges - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2020 USD ($) | Sep. 30, 2020 case
Restructuring Cost and Reserve [Line Items] |  |
Number of new approved restructuring projects | case |  | 0
Global Growth and Efficiency Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring reduction | $ 16 |
Restructuring reduction after tax | 13 |
Global Growth and Efficiency Program | Selling, general and administrative expenses |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring reduction | 3 |
Global Growth and Efficiency Program | Other (income) expense, net |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring reduction | $ 13 |

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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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