Notes Receivable and Other Non-Current Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 y	Dec. 31, 2000	Dec. 31, 2011	Dec. 31, 2010
Economic Rights, TV Azteca [Member]
Number of broadcast towers		190
Commercial Rights, Annual Payment		$ 1.5
Percentage of the revenues from leasing of towers		100.00%
Right to purchase economic rights, years	50
Capital lease originally recorded, assets		18.6
Capital lease originally recorded, liability		18.6
Capital lease asset and discount on note		30.2
TV Azteca [Member]
Loans Receivable	119.8	119.8	119.8
Loan interest rate		13.11%
Loan discounted	108.2		108.2	108.2
Term of the loan, years	70
Loan prepayment without penalty, period, years	50
Economic rights agreement useful life, years	70 years
Grupo Iusacell [Member]
Loans Receivable	3.1
Other long-term notes receivable outstanding included in prepaid and other current assets	$ 12.5
Loan receivable interest rate	12.00%
Long-term note receivable original repayment period, years	5