Annual report pursuant to Section 13 and 15(d)

Debt And Other Obligations (Schedule Of Long-Term Debt And Capital Lease Obligations) (Details)

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Debt And Other Obligations (Schedule Of Long-Term Debt And Capital Lease Obligations) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Dec. 31, 2011
5.75% Convertible Senior Notes Due 2012 [Member]
Dec. 25, 2010
5.75% Convertible Senior Notes Due 2012 [Member]
Dec. 31, 2011
6.00% Convertible Senior Notes Due 2015 [Member]
Dec. 25, 2010
6.00% Convertible Senior Notes Due 2015 [Member]
Dec. 31, 2011
8.125% Senior Notes Due 2017 [Member]
Dec. 25, 2010
8.125% Senior Notes Due 2017 [Member]
Nov. 30, 2009
8.125% Senior Notes Due 2017 [Member]
Dec. 31, 2011
7.75% Senior Notes Due 2020 [Member]
Dec. 25, 2010
7.75% Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]                        
Long-term debt       $ 485 $ 485 $ 546 $ 723 $ 459 $ 454 $ 500 $ 500 $ 500
Capital lease obligations 26 30                    
Long-term debt and capital lease obligations including current portion 2,016 2,192                    
Less: current portion 489 4                    
Long-term debt and capital lease obligations, less current portion $ 1,527 $ 2,188                    
Interest rate 6.00% 6.00% 6.00% 5.75%   6.00%   8.125%     7.75%