Business Operations and Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Segment Reporting Disclosure [Line Items]
Foreign revenues	$ 546	$ 568	$ 564
Long-lived assets in foreign countries	$ 530	$ 543	$ 556
Publishing | UNITED STATES
Segment Reporting Disclosure [Line Items]
Number of daily publications	82
Number of states in which company operates	30
Number of U.S. territory in which company operates	1
Number of non daily publications	480
Publishing | United Kingdom
Segment Reporting Disclosure [Line Items]
Number of daily publications	17
Publishing | United Kingdom | Minimum
Segment Reporting Disclosure [Line Items]
Number of weekly publications	200
Broadcasting
Segment Reporting Disclosure [Line Items]
Number of television stations	23
Number of households covered	21,000,000
Percentage of U.S. households covered	18.10%