Debt Instrument, Accelerated Maturity Month And Year If Not Amended, Redeemed Or Refinanced

No definition available.

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- Definition

Debt Instrument, Amount To Be Amended, Redeemed Or Refinanced To Avoid Acceleration

+ References

No definition available.

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- Definition

Increase in percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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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
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-Subparagraph (SX 210.5-02(22))
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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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- 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.

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- Definition

Amount, after accumulated amortization, of debt discount.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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- Definition

The effective interest rate at the end of the reporting period.

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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-Glossary Financing Activities
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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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Debt (Components Of Debt) (Details) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
Debt (Components Of Debt) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jul. 31, 2016	Jan. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debt Instrument				$ 4,684.0	$ 4,733.0
Unamortized Issuance Cost				(28.0)	(24.0)
Unamortized Debt Discount				(3.0)	(4.0)
Total				4,653.0	4,705.0
Payments on long-term debt				1,175.0	500.0
Short-term Debt [Member]
Debt Instrument [Line Items]
Debt Instrument				41.0	1.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total				41.0	1.0
Short-term Debt [Member] \| 7.35% Senior Notes due October 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument				15.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total				$ 15.0
Stated interest rate				7.35%
Maturity date, year and month				2017-10
Short-term Debt [Member] \| 7.125% Senior Notes due October 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 25.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total				$ 25.0
Stated interest rate				7.125%
Maturity date, year and month				2017-10
Short-term Debt [Member] \| 7.15% Senior Notes due June 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 1.0	1.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total				$ 1.0	$ 1.0
Stated interest rate				7.15%	7.15%
Maturity date, year and month				2018-06	2018-06
Long-term Debt [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 4,643.0	$ 4,732.0
Unamortized Issuance Cost				(28.0)	(24.0)
Unamortized Debt Discount				(3.0)	(4.0)
Total				4,612.0	4,704.0
Long-term Debt [Member] \| Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument					116.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total					$ 116.0
Credit facility, variable interest rate					1.886%
Credit facility, maturity date					Dec. 01, 2018
Long-term Debt [Member] \| 7.35% Senior Notes due October 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument					$ 15.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total					$ 15.0
Stated interest rate					7.35%
Maturity date, year and month					2017-10
Long-term Debt [Member] \| 7.125% Senior Notes due October 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument					$ 25.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total					$ 25.0
Stated interest rate					7.125%
Maturity date, year and month					2017-10
Long-term Debt [Member] \| 3.30% Senior Notes due January 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument				38.0	$ 350.0
Unamortized Issuance Cost					(2.0)
Unamortized Debt Discount
Total				$ 38.0	$ 348.0
Stated interest rate		5.05%		3.30%	3.30%
Maturity date, year and month				2018-01	2018-01
Payments on long-term debt		$ 312.0
Long-term Debt [Member] \| 7.50% Senior Notes due February 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 212.0	$ 600.0
Unamortized Issuance Cost					(2.0)
Unamortized Debt Discount
Total				$ 212.0	$ 598.0
Stated interest rate				7.50%	7.50%
Maturity date, year and month				2018-02	2018-02
Payments on long-term debt		$ 388.0
Long-term Debt [Member] \| 7.15% Senior Notes due June 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 25.0	$ 26.0
Unamortized Issuance Cost
Unamortized Debt Discount
Total				$ 25.0	$ 26.0
Stated interest rate				7.15%	7.15%
Maturity date, year and month				2018-06	2018-06
Long-term Debt [Member] \| 4.05% Senior Notes due January 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 850.0	$ 850.0
Unamortized Issuance Cost				(5.0)	(5.0)
Unamortized Debt Discount					(1.0)
Total				$ 845.0	$ 844.0
Stated interest rate		5.80%		4.05%	4.05%
Maturity date, year and month				2020-01	2020-01
Long-term Debt [Member] \| 4.10% Senior Notes due March 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 1,000.0	$ 1,000.0
Unamortized Issuance Cost				(4.0)	(5.0)
Unamortized Debt Discount				(1.0)	(1.0)
Total				$ 995.0	$ 994.0
Stated interest rate				4.10%	4.10%
Maturity date, year and month				2022-03	2022-03
Long-term Debt [Member] \| 4.95% Senior Notes due January 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 1,000.0	$ 1,000.0
Unamortized Issuance Cost				(7.0)	(7.0)
Unamortized Debt Discount				(2.0)	(2.0)
Total				$ 991.0	$ 991.0
Stated interest rate		6.70%		4.95%	4.95%
Maturity date, year and month				2025-01	2025-01
Long-term Debt [Member] \| Term Loan 1 due December 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 327.0	$ 750.0
Unamortized Issuance Cost	$ (0.4)			(2.0)	(3.0)
Unamortized Debt Discount
Total				$ 325.0	$ 747.0
Variable interest rate				3.22%	1.775%
Maturity date, year and month				2020-12	2018-11
Payments on long-term debt	48.0	$ 375.0
Accelerated maturity date, year and month if not amended, redeemed or refinanced				2019-10
Long-term Debt [Member] \| Term Loan 2 due December 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument				$ 1,191.0
Unamortized Issuance Cost				(10.0)
Unamortized Debt Discount
Total				$ 1,181.0
Variable interest rate				3.22%
Maturity date, year and month				2020-12
Accelerated maturity date, year and month if not amended, redeemed or refinanced				2019-10
Long-term Debt [Member] \| 2020 Senior Notes [Member]
Debt Instrument [Line Items]
Maturity date, year and month				2020-01
Payments on long-term debt	$ 48.0
Amount to be amended, redeemed or refinanced to avoid acceleration				$ 765.0
Senior Notes [Member]
Debt Instrument [Line Items]
Unamortized Issuance Cost		$ (2.0)
Senior Notes [Member] \| 3.30% Senior Notes due January 2018 [Member]
Debt Instrument [Line Items]
Stated interest rate			3.30%
Maturity date, year and month			2018-01
Senior Notes [Member] \| 4.05% Senior Notes due January 2020 [Member]
Debt Instrument [Line Items]
Stated interest rate			4.05%
Maturity date, year and month			2020-01
Senior Notes [Member] \| 4.95% Senior Notes due January 2025 [Member]
Debt Instrument [Line Items]
Stated interest rate			4.95%
Maturity date, year and month			2025-01
Over LIBOR [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Increase in basis spread		1.75%