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Treasury Stock, Value, Acquired, In Open Market

+ References

No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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Stockholders' Equity and Earnings Per Common Share Share Repurchases (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share Repurchase Table [Line Items]
Stock Repurchased During Period, Shares			11.2	23.6	25.4
Stock Repurchased During Period, Value			$ 318.6	$ 500.6	$ 619.9
shares repurchased on the open market [Member]
Share Repurchase Table [Line Items]
Treasury Stock, Shares, Acquired			11.2	23.6	17.7
Treasury Stock Acquired in Open Market Value			318.6	500.6	419.9
Accelerated share repurchase program [Member]
Share Repurchase Table [Line Items]
Stock Repurchased and Retired During Period, Shares			0	0	7.7
Stock Repurchased and Retired During Period, Value			$ 0	$ 0	$ 200.0
Stock Repurchased During Period, Shares	0.6	7.1