Earnings Per Common Share (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 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			1,700,000
Repurchase and retirement of common stock cash aggregate to offset the dilutive effect			$ 39	$ 35
Remaining number of shares authorized to be repurchased	50,000,000		50,000,000
Cash dividends per common share paid (in dollars per share)	$ 0.090	$ 0.075	$ 0.24	$ 0.225
Cash dividends per common share declared (in dollars per share)	$ 0.09	$ 0.075	$ 0.255	$ 0.225
Stock Options
Antidilutive securities excluded from computation of earnings per share
Antidilutive effect on computation of diluted earnings per common share (in shares)	8,000,000	15,000,000	8,000,000	14,000,000
Long-term stock awards
Antidilutive securities excluded from computation of earnings per share
Grant of long-term stock awards			1,700,000

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

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-URI http://asc.fasb.org/extlink&oid=6510752

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

+ References

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