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Leases	12 Months Ended
Dec. 31, 2012
Leases Disclosure [Abstract]
LeasesDisclosureTextBlock	14. LEASES The Company entered into an eleven-year lease agreement for office space in Westminster, Colorado, effective January 1, 2001. Lease expense for the years ended December 31, 2012, 2011 and 2010, was $0 million, $5 million and $4 million, respectively. Sub-lease rental income was $0 million, $4 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively. The Company does not have future minimum lease payments and sub-lease receipts as of December 31, 2012 as the lease agreement expired on December 31, 2011.

Leases

12 Months Ended

Dec. 31, 2012

14. LEASES

The Company entered into an eleven-year lease agreement for office space in Westminster, Colorado, effective January 1, 2001. Lease expense for the years ended December 31, 2012, 2011 and 2010, was $0 million, $5 million and $4 million, respectively. Sub-lease rental income was $0 million, $4 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively.

The Company does not have future minimum lease payments and sub-lease receipts as of December 31, 2012 as the lease agreement expired on December 31, 2011.