v2.3.0.11
Other (Narrative) (Details) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified
 1 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended 1 Months Ended
Jul. 31, 2011
Jan. 31, 2011
Jul. 31, 2010
Jun. 26, 2011
Jun. 27, 2010
Mar. 28, 2010
Jun. 26, 2011
Jun. 27, 2010
Sep. 25, 2011
Jun. 30, 2011
Dec. 31, 2010
May 31, 2010
Jan. 31, 2011
Restricted Stock Units (RSUs) [Member]
Jan. 31, 2010
Restricted Stock Units (RSUs) [Member]
May 31, 2010
Additional New Notes [Member]
May 31, 2010
Remaining Amount [Member]
May 31, 2010
Old Notes [Member]
May 31, 2010
Five Point Seventy Two Percent Notes Due Two Thousand Forty [Member]
Notes issued                             $ 117,000,000      
Principal amount exchanged                                 611,000,000  
Debt Instrument, Face Amount                   5,533,000,000 5,524,000,000             728,000,000
Paid Premium                       158,000,000            
Cash premium for debt exchange                               41,000,000    
Cash paid for expenses associated with debt exchange                                   6,000,000
Repurchases of common stock, shares             16.5 16.2                    
Number of shares repurchased in current period but settled and paid for in subsequent period 0.6   0.6                              
Value of shares repurchased in current period but settled and paid for in subsequent period 49,000,000   51,000,000                              
Repurchases of common stock             1,313,000,000 1,247,000,000                    
Stock repurchased during the period             1,299,000,000 1,298,000,000                    
Value Of Shares Repurchased In Prior Period But Paid For In Current Period   63,000,000                                
Authorized dollar amount for share repurchases       3,000,000,000                            
Number of shares repurchased under the share repurchase program       27,700,000                            
Value of stock repurchased under share repurchase program       2,074,000,000                            
Remaining authorized repurchase amount       926,000,000                            
Common stock, par value       $ 1     $ 1       $ 1              
Total options granted   2.5                                
Exercise price   $ 79.60                                
Fair value of option on the date of grant   $ 13.06                                
Number of years over which stock options vest   three                       three        
RSUs Granted                         1.9          
RSUs fair value                         $ 79.43          
Common stock dividends             524,000,000 471,000,000                    
Dividends payable                 258,000,000                  
Common stock dividends declared, per share       $ 0.75                            
Dividend paid per share       $ 0.75 $ 0.63 $ 0.63 $ 1.50 $ 1.26                    
Adjustment for postretirement benefit plans, net of tax       165,000,000 115,000,000   330,000,000 231,000,000                    
Federal and foreign income tax payments made, net of refunds received             229,000,000                      
Federal and foreign income tax refunds received, net of payments made               69,000,000                    
Refund received from the IRS related to estimated taxes paid for the prior year             250,000,000 325,000,000                    
Interest Rate                                   5.72%
Increase in operating profit, net of state taxes, due to changes in estimates       425,000,000 350,000,000   750,000,000 650,000,000                    
Increase in net earnings due to changes in estimates       $ 275,000,000 $ 225,000,000   $ 500,000,000 $ 425,000,000                    
Increase in diluted earnings per share due to changes in estimates       $ 0.8 $ 0.6   $ 1.45 $ 1.15