Earnings Per Common Share (Details 2) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Antidilutive securities excluded from computation of earnings per share
Repurchase and retirement of common stock to offset the dilutive impact of long-term stock awards			1.7
Repurchase and retirement of common stock cash aggregate to offset the dilutive effect			$ 39	$ 35
Remaining number of shares authorized to be repurchased	20.9		20.9
Cash dividends per common share paid (in dollars per share)	$ 0.075	$ 0.075	$ 0.15	$ 0.15
Cash dividends per common share declared (in dollars per share)	$ 0.090	$ 0.075	$ 0.165	$ 0.15
Stock options
Antidilutive securities excluded from computation of earnings per share
Antidilutive effect on computation of diluted earnings per common share (in shares)	11	14	11	14
Unvested stock awards
Antidilutive securities excluded from computation of earnings per share
Grant of long-term stock awards			1.7

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

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Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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