Represents the term of the debt agreement.

No definition available.

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- Definition

Represents the numerator for the ratio of consolidated funded debt to consolidated adjusted EBITDA for a trailing twelve-month period (earnings before interest, taxes, depreciation and amortization), as adjusted for non-cash charges, required to be maintained under financial covenants.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and 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

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

+ References

No definition available.

+ Details

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Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended		6 Months Ended		6 Months Ended
	Jun. 30, 2012 Commercial paper	Jun. 30, 2012 Commercial paper	Dec. 31, 2011 Commercial paper	Jun. 30, 2012 Revolving Credit Agreement Y	Mar. 20, 2012 Revolving Credit Agreement	Jun. 30, 2012 Revolving Credit Agreement Minimum	Jun. 30, 2012 Revolving Credit Agreement Maximum	Jun. 30, 2012 Revolving Credit Agreement LIBOR	Jun. 30, 2012 Revolving Credit Agreement Federal Funds rate	Jun. 30, 2012 Revolving Credit Agreement Prime rate	Jun. 30, 2012 Revolving Credit Agreement One month Eurodollar rate	Jun. 30, 2012 3.125% Senior notes due 2016	Jun. 30, 2012 8.205% Junior subordinated deferrable interest debentures due January 2027	Jun. 30, 2012 5.00% Senior notes due September 2020	Jun. 30, 2012 3.50% senior notes due September 2015	Jun. 30, 2012 6.25% Senior notes due September 2040	Jun. 30, 2012 7.375% Debt securities due December 2012
Debt Instrument
Total debt	$ 107	$ 107	$ 50
Weighted average commercial paper outstanding	88.0	55.0
Weighted-average interest rates (as a percent)	0.51%	0.50%
New credit and loan facility					$ 400
Term of credit agreement (in years)				5
Debt instrument base interest rate								LIBOR	Federal fund effective rate	Prime rate	One month Eurodollar rate
Debt Instrument, Variable Rate (as a percent)									0.50%		1.00%	3.125%	8.205%	5.00%	3.50%	6.25%	7.375%
Ratio of consolidated funded debt to consolidated adjusted EBITDA						0.0300	0.0325