Annual report pursuant to Section 13 and 15(d)

Capital Stock (Details)

v2.3.0.15
Capital Stock (Details) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 02, 2011
Dec. 25, 2011
Sep. 25, 2011
Jun. 26, 2011
Mar. 27, 2011
Dec. 26, 2010
Sep. 26, 2010
Jun. 27, 2010
Mar. 28, 2010
Dec. 27, 2009
Sep. 27, 2009
Jun. 28, 2009
Mar. 29, 2009
Dec. 28, 2008
Sep. 25, 2011
Sep. 26, 2010
Sep. 27, 2009
Mar. 08, 2011
Mar. 01, 2010
Mar. 03, 2009
Preferred Stock [Abstract]                                        
Shares of preferred stock authorized for issuance     8,000,000       8,000,000               8,000,000 8,000,000        
Number of preferred stock series                             one or more one or more        
Par value of preferred stock authorized for issuance     $ 0.0001       $ 0.0001               $ 0.0001 $ 0.0001        
Shares of preferred stock designated as series A junior participating preferred stock     4,000,000       4,000,000               4,000,000 4,000,000        
Preferred stock, shares outstanding     0       0               0 0        
Preferred Share Purchase Rights Agreement [Abstract]                                        
Purchase price of series A junior participating preferred stock     $ 180                       $ 180          
Minimum percentage of beneficial ownership by an acquiring person at which rights are exercisable     20.00%                       20.00%          
Expiration date of rights Sep. 25, 2015
Redemption price per right     $ 0.001                       $ 0.001          
Stock Repurchase Program [Abstract]                                        
Authorized amount of repurchase of common stock                             $ 3,000,000,000          
Number of shares of common stock repurchased and retired 2,046,000                           2,878,000 79,789,000 8,920,000      
Value of common stock repurchased and retired 99,000,000                           142,000,000 3,000,000,000 284,000,000      
Remaining authorized amount of repurchase of common stock     1,000,000,000                       1,000,000,000          
Option indexed to issuer's equity, indexed shares     11,800,000                       11,800,000          
Maximum value, net of premiums received, of outstanding options indexed to issuers equity     511,000,000                       511,000,000          
Proceeds from derivative instrument, financing activities                             75,000,000 0 0      
Foreign currency put option contracts derivative liabilities at fair value     80,000,000       0       0       80,000,000 0 0      
Loss recognized in investment income due to changes in fair value of put options                             5,000,000          
Dividends [Abstract]                                        
Quarterly dividend per share of common stock, before increase                                   $ 0.190 $ 0.170 $ 0.160
Quarterly dividend per share of common stock, after increase                                   $ 0.215 $ 0.190 $ 0.170
Dividends charged to retained earnings - per share   $ 0.215 $ 0.215 $ 0.215 $ 0.190 $ 0.190 $ 0.19 $ 0.19 $ 0.17 $ 0.17 $ 0.17 $ 0.17 $ 0.16 $ 0.16 $ 0.81 $ 0.72 $ 0.66      
Dividends charged to retained earnings - total     368,000,000 360,000,000 319,000,000 314,000,000 305,000,000 309,000,000 279,000,000 284,000,000 283,000,000 282,000,000 264,000,000 264,000,000 1,361,000,000 1,177,000,000 1,093,000,000      
Cash dividends, date announced Oct. 11, 2011
Cash dividends, date payable Dec. 21, 2011
Cash dividends, date of record Nov. 23, 2011
Noncontrolling Interests [Abstract]                                        
License period of licenses                             20 years          
Advance payment deposit     994,000,000       1,100,000,000               994,000,000 1,100,000,000        
Date of commercial launch of wireless service                             within five years of the assignment date          
Proceeds from noncontrolling interests                             $ 62,000,000 $ 0 $ 0      
Noncontrolling Interest, Ownership Percentage by Parent     74.00%                       74.00%