Common Stock.

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- Definition

Decrease in basic earnings per share.

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- Definition

Decrease in diluted earnings per share.

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- Definition

Impact of recognizing compensation expense.

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- Definition

Payment For Treasury Shares.

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Balance Type:	credit
Period Type:	duration

- Definition

Payments for repurchase of common stock next period.

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Balance Type:	debit
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- Definition

Share based compensation nonvested awards total compensation cost not yet recognized.

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- Definition

Share based compensation nonvested awards total compensation cost not yet recognized period for recognition.

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- Definition

Number of remaining shares that will be repurchased during the next 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.

+ Details

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Period Type:	instant

- Definition

Stock Repurchase Duration.

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- Definition

Excess tax benefits generated by exercising stock options which are unrecorded due to federal and state net operating losses which are not currently being utilized.

+ Details

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- Definition

Unrecorded tax benefits from stock options exercised.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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-Topic 718
-SubTopic 10
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-Subparagraph (b)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Subparagraph (SAB TOPIC 14.F)
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64
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-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.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (j)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Publisher FASB
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 19
-Subparagraph a
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+ Details

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- Details

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 28
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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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

Reference 1: 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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-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

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-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-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.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 11A
-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.

+ Details

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ Details

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Period Type:	instant

- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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Common Stock (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Impact of recognizing compensation expense
Stock-based compensation	$ 2	$ 2	$ 4	$ 5
Common Stock (Textuals) [Abstract]
Authorized Outstanding common stock for repurchase	400,000		400,000
Stock Repurchase Duration			12 months
Repurchased stock	270,500		270,500
Repurchased shares held as part of our treasury stock	1,565,192		1,565,192		1,294,692
Payment for treasury shares	10.5		10.5
Stock repurchased in next period shares	129,500		129,500
Payments for repurchase of common stock next period.	5.5		5.5
Nonqualified Stock Option [Member]
Impact of recognizing compensation expense
Compensation expense related to nonqualified stock options	1	1	2	2
Decrease in basic earnings per share	$ (0.01)	$ (0.02)	$ (0.03)	$ (0.03)
Decrease in diluted earnings per share	$ (0.01)	$ (0.02)	$ (0.03)	$ (0.03)
Restricted Stock [Member]
Share-based Compensation, Aggregate Disclosure
Unrecognized compensation costs	7		7
Unrecognized compensation costs, Weighted Average Period	2.1		2.1
Stock Option [Member]
Share-based Compensation, Aggregate Disclosure
Unrecognized compensation costs	6		6
Unrecognized compensation costs, Weighted Average Period	1.2		1.2
Cash received from stock option exercises			3	1
Unrecorded tax benefit from stock options exercised			2
Unrecorded tax benefits from stock options exercised				Less than 1 million
Restricted stock, restricted stock units, long term performance units, SARs [Member]
Impact of recognizing compensation expense
Stock-based compensation			7	5
Share-based Compensation, Aggregate Disclosure
Unrecognized compensation costs	$ 14		$ 14
Unrecognized compensation costs, Weighted Average Period	1.9		1.9