Note 2: Significant Accounting Policies (Detail) - Outstanding Employee Stock Options and Warrants to Purchase Common Stock In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share	47.9	53.6	58.0
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share	7.9	13.6	18.0
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share	40.0	40.0	40.0

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