Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- 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

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- 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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Derivative Financial Instruments (Narrative) (Details) - FFL [Member] - Swap [Member] - USD ($) $ in Millions	Feb. 13, 2014	Sep. 30, 2019	Dec. 31, 2018	Jul. 31, 2018	Jan. 31, 2018
Debt Instrument [Line Items]
Notional amount		$ 73	$ 100
Term of swap agreement	1 year
LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.28%			1.05%	1.20%