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Acquisitions - Additional Information (Detail)
In Millions, except Per Share data, unless otherwise specified
1 Months Ended 6 Months Ended
Jun. 30, 2012
USD ($)
Oct. 01, 2011
USD ($)
Nov. 18, 2011
Seven TV
USD ($)
Feb. 02, 2012
UTV Software Communications Limited
USD ($)
Jun. 30, 2012
UTV Software Communications Limited
USD ($)
Feb. 02, 2012
UTV Software Communications Limited
INR
Dec. 31, 2011
UTV Software Communications Limited
Jul. 09, 2012
AETN
Equity Ownership Interest in AETN
Jun. 30, 2012
AETN
Equity Ownership Interest in AETN
Jul. 09, 2012
AETN
Equity Contribution To AETN
USD ($)
Jul. 09, 2012
AETN
Potential Shareholder Loan to AETN
USD ($)
Business Acquisition [Line Items]                      
Cash paid for business acquisition       $ 377 $ 63            
Undiluted ownership interest, percentage       93.00%              
Borrowings assumed in business acquisition       300              
Ownership interest immediately before acquisition date, percentage             50.00%        
Non-cash gain on currently held interests, pre tax       184              
Non-cash gain on currently held interests, after tax       116              
Previously held equity interest, fair value       405              
Purchase price for remaining shares (per share)           1,100          
Last date to purchase remaining shares         Mar. 16, 2013            
Incremental interest acquired         6.00%            
Ownership percentage         99.00%            
Equity method investment ownership interest     49.00%         50.00% 42.10%    
Equity method investments, value     300                
Equity and potential shareholder loan commitment                   300 500
Goodwill accumulated impairments $ 29 $ 29