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v3.19.3.a.u2

Restructuring Restructuring Other Related Charges (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Restructuring Cost and Reserve [Line Items] |  |  |
Charges related to voluntary termination program |  |  | $ 16
Larry D. De Shon [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Other Nonrecurring Expense | $ 14 |  |
Mark J. Servodidio [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Other Nonrecurring Expense | $ 4 |  |
David B. Wyshner [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Other Nonrecurring Expense |  |  | $ 7
Share-based Payment Arrangement, Accelerated Cost |  | $ 2 |

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- Definition Charges related to voluntary termination program + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of other expense that is infrequent in occurrence or unusual in nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233 + Details
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Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |