Accrued Interest Paid With Debt Retirement

No definition available.

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- Definition

Debt Instrument, Principal Amount, Change in Control Redemption Percent

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Principal Amount, Redemption Percent

+ References

No definition available.

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- Definition

Increase (decrease) in carrying amount of medium-term notes due to mark-to-market adjustments on interest rate swaps.

+ References

No definition available.

+ Details

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- Definition

Liquidation Preference On Preferred Stock

+ References

No definition available.

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- Definition

Premium Paid Due To Early Redemption Of Debt

+ References

No definition available.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

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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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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Subparagraph (SX 210.5-02.22(a)(2))

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- Definition

Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

+ References

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-Topic 815

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (b)

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- Definition

Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

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-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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-Name Accounting Standards Codification

-Topic 942

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

+ References

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-Topic 210

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-Subparagraph (SX 210.5-02.22)

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-Topic 944

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Name Accounting Standards Codification

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- Definition

The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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Debt (Medium-Term Notes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jul. 15, 2012
Long-term Debt, Weighted Average Interest Rate	3.94%
Medium-term Notes	$ 1,659.8	$ 1,703.9
Debt Mark To Market Adjustment	(12.4)	31.7
Losses related to extinguishments of debt	0	(10.9)	(4.8)
Repayments of Other Debt	0	1,203.4	151.0
Payments for Repurchase of Common Stock	470.0	91.5	46.1
Proceeds from Issuance of Long-term Debt	0	841.9	3.3
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust				436.7
6.75% Senior Notes Due March 2012 [Member]
Debt Instrument, Face Amount		250.0
Senior notes rate		6.75%
Debt Instrument, Maturity Date		Mar. 15, 2012
6.11% Notes Due 2028 [Member]
Debt Instrument, Face Amount	8.5
Senior notes rate	6.11%
Debt Instrument, Maturity Date	Jul. 17, 2028
5.50% Senior Notes due 2013 [Member]
Debt Instrument, Face Amount		500.0
Senior notes rate		5.50%
Losses related to extinguishments of debt		4.1
Repayments of Other Debt		512.9
Accrued Interest Paid With Debt Retirement		5.8
Redemption Premium		7.1
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge		3.0
2.00% Senior Notes Due 2015 [Member]
Medium-term Notes	250.0	250.0
2.05% Senior Notes Due 2017 [Member]
Medium-term Notes	350.0	350.0
Debt Instrument, Face Amount		350.0
Senior notes rate		2.05%
Debt Instrument, Maturity Date		Dec. 01, 2017
Debt Instrument, Principal Amount, Change In Control Redemption Percent		101.00%
Debt Instrument, Principal Amount, Redemption Percent		100.00%
Proceeds from Issuance of Long-term Debt		346.8
6.25% senior notes due 2018 [Member]
Medium-term Notes	250.0	250.0
10.60% senior notes due 2019 [Member]
Medium-term Notes	20.7	20.7
4.70% senior notes due 2020 [Member]
Medium-term Notes	550.0	550.0
Senior notes rate		4.70%
4.00% Senior Notes Due 2022 [Member]
Medium-term Notes	250.0	250.0
6.11% senior notes due 2028 [Member]
Medium-term Notes	1.5	1.5
2% Notes Due 2015 And 4% Notes Due 2022 [Member]
Debt Instrument, Face Amount		500.0
Debt Instrument, Principal Amount, Change In Control Redemption Percent		101.00%
Proceeds from Issuance of Long-term Debt		495.1
2% Notes Due June 2015 [Member]
Debt Instrument, Face Amount		250.0
Senior notes rate		2.00%
Debt Instrument, Maturity Date		Jun. 13, 2015
4% Notes Due June 2022 [Member]
Debt Instrument, Face Amount		250.0
Senior notes rate		4.00%
Debt Instrument, Maturity Date		Jun. 13, 2022
Debt Instrument, Principal Amount, Redemption Percent		100.00%
Convertible Preferred Stock [Member]
Liquidation Preference On Preferred Stock		$ 421.2