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Employee Benefit Plans - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Retirement Benefits [Abstract]
Cash contributions made during the period	$ 4
Expected additional cash contributions	$ 3

X

- References

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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