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.

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+ Details

Earnings per Share (Details Textual) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sunoco, Inc
Earnings per Share (Textual) [Abstract]
Shares owned by Sunoco (in shares)			70.0
Stock Options
Earnings per Share (Textual) [Abstract]
Potential dilutive effect excluded from the computation of diluted weighted-average shares outstanding (in shares)	0.2	2.5	0.7
Restricted Stock
Earnings per Share (Textual) [Abstract]
Potential dilutive effect excluded from the computation of diluted weighted-average shares outstanding (in shares)		0.1	0.1