Accounting Policies	6 Months Ended
Accounting Policies	Jun. 30, 2012
Accounting Policies [Abstract]
Accounting Policies	Accounting Policies Presentation of Comprehensive Income Effective January 1, 2012, we adopted, on a retrospective basis, the new accounting guidance on the presentation of comprehensive income. As a result of the adoption, we report total comprehensive income and the components of net income and other comprehensive income in two separate consecutive statements. Adoption of this guidance had no effect on our consolidated financial position, results of operations and cash flows.

The entire disclosure for all significant accounting policies of the reporting entity.