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Subsequent Event	3 Months Ended
Subsequent Event	Feb. 28, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Event In March 2014, we sold Costa Voyager and will recognize a $37 million gain as a reduction of other ship operating expenses during the second quarter of 2014. In July 2013, we recognized a $73 million impairment charge related to this ship, and in November 2013 it was taken out of service.