Business Acquisition, Fair Value Adjustment, Long-Term Debt

No definition available.

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- Definition

Amount of long-term debt, including current maturities, of long-term debt of KCP&L, GMO and assumed long-term debt of Great Plains Energy included on Evergy's balance sheet as of the current period. Also includes long-term debt fair value adjustments associated with purchase accounting.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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Balance Type:	na
Period Type:	duration

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Long-Term Debt Long-Term Debt - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Mar. 31, 2018	Sep. 30, 2018	Jul. 31, 2018
Debt Instrument [Line Items]
Fair value adjustment		$ 153.0
Long-term debt, including current maturities, of KCP&L, GMO and assumed GPE long-term debt		3,659.7
KCPL [Member] \| Senior Notes [Member] \| Senior Notes Due 2048 KCPL [Member]
Debt Instrument [Line Items]
Long-term debt gross	$ 300.0
Interest rates (in hundredths)	4.20%
Maturity date	Dec. 31, 2048
KCPL [Member] \| Senior Notes [Member] \| Senior notes due 2018 KCPL [Member]
Debt Instrument [Line Items]
Interest rates (in hundredths)	6.375%
Repayments of long-term debt	$ 350.0
KCPL [Member] \| Unsecured Debt [Member] \| EIRR bonds 2.875 percent Series 2008 [Member]
Debt Instrument [Line Items]
Debt face amount			$ 23.4
Interest rates (in hundredths)			2.75%
Great Plains Energy [Member] \| Senior Notes [Member] \| Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Debt face amount		$ 350.0
Interest rates (in hundredths)		4.85%
Great Plains Energy [Member] \| Senior Notes [Member] \| Senior Notes 5.292 Percent Series Due 2022 [Member]
Debt Instrument [Line Items]
Debt face amount		$ 287.5
Interest rates (in hundredths)		5.292%
Kcpl Greater Missouri Operations Member \| Senior Notes [Member] \| Senior Notes Series A due 2025 [Member]
Debt Instrument [Line Items]
Repurchased amount			$ 89.0
Kcpl Greater Missouri Operations Member \| Senior Notes [Member] \| Senior Notes Series B due 2033 [Member]
Debt Instrument [Line Items]
Repurchased amount			$ 15.0