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Shareholders' Equity - Share-based Compensation, Awards, Intrinsic Value (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award Other Than Options [Line Items] |
Aggregate intrinsic value of outstanding non option awards | $ 26
Performance Shares [Member] |
Share-based Compensation Arrangement by Share-based Payment Award Other Than Options [Line Items] |
Aggregate intrinsic value of outstanding non option awards | $ 48

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- Definition Share-based compensation arrangement by share based payment award equity instrument other than options, nonvested intrinsic value - the intrinsic value of equity-based compensation award not vested. Excludes stock and unit options. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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

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