Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation Plans (Details)

v2.4.0.6
Stock-based Compensation Plans (Details) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2011
Years
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
Key Employee Stock Plan [Member]
Feb. 28, 2010
Key Associate Stock Plan [Member]
Dec. 31, 2011
Key Associate Stock Plan [Member]
Dec. 31, 2010
Key Associate Stock Plan [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Dec. 31, 2009
Employee Stock Option [Member]
Dec. 31, 2011
Employee Stock Purchase Plan [Member]
Dec. 31, 2011
Restricted Stock - Vesting Plan Two [Member]
Dec. 31, 2011
Restricted Stock - Vesting Plan Two [Member]
Employee Stock Purchase Plan [Member]
Dec. 31, 2011
Restricted Stock - 2011 Plan [Member]
Dec. 31, 2011
Restricted Stock - 2011 Plan [Member]
Employee Stock Purchase Plan [Member]
Dec. 31, 2011
Restricted Stock - 2009 Plan [Member]
Dec. 31, 2011
Restricted Stock - Plans Prior to 2009 [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Feb. 23, 2012
Employee Year-End Incentive [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           0 0                      
Allocated Share-based Compensation Expense $ 2,600,000,000 $ 2,000,000,000 $ 2,400,000,000                              
Tax Benefit from Compensation Expense 969,000,000 727,000,000 892,000,000                              
Stock Based Compensation, Shares Issued, Immediately Tradable, Shares                                   122,000,000
Stock Based Compensation, Shares Issued, Immediately Tradable, Value, Net of Tax                                   1,000,000,000
Options Granted To Purchase Number Shares Of Common Stock       260,000,000                            
Number of Shares Authorized 2,200,000,000         1,100,000,000       107,000,000                
Restricted Stock Units Granted Shares               0 8,000,000                  
Outstanding Restricted Stock Units               20,000,000                    
Number Of Outstanding Shares For Awards Under Facaap                   12,000,000                
Minimum Eligible Compensation To Purchase Common Stock Under Espp                   0.01                
Maximum Eligible Compensation To Purchase Common Stock Under Espp                   10.00%                
Maximum Discount On Purchases                   0.05                
Maximum Annual Contribution Per Employee                   23,750                
Shares Outstanding Under Espp                   6,000,000                
Exercised Price Of Each Espp Stock Purchase Rights                   0.54                
Restricted Stock/Unit Details                                    
Outstanding at January 1, 2011               212,072,669                    
Granted, Shares         193,000,000 126,000,000   138,083,421                    
Vested, Shares               (80,788,009)                    
Canceled, Shares               (15,401,263)                    
Outstanding at December 31, 2011               253,966,818                    
Outstanding at January 1, 2011 (weighted average exercise price)               $ 13.37                    
Granted (weighted average exercise price)               $ 14.49                    
Vested (weighted average exercise price)               $ 14.90                    
Canceled (weighted average exercise price)               $ 13.99                    
Outstanding at January 1, 2011 (weighted average exercise price)               $ 13.46                    
Total Unrecognized Compensation Cost 1,200,000,000                                  
Period for Recognition 7                                  
Employee Service Share Based Compensation Unrecognized Compensation Costs Weighted Average Period Of Recognition                   1.4                
Total Fair Value of Restricted Stock Vested 1,700,000,000                                  
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards                   489,000,000                
Outstanding options to employees of predecessor companies assumed in mergers 52,000,000                                  
Stock Options                                    
Outstanding at January 1, 2011               261,122,819                    
Forfeited, Options               (52,853,270)                    
Outstanding at December 31, 2011           135,000,000   208,269,549                    
Outstanding at January 1, 2011 (weighted average exercise price)               $ 50.61                    
Forfeited (weighted average exercise price)               $ 65.12                    
Outstanding at December 31, 2011 (weighted average exercise price)               $ 46.93                    
Options Exercisable at December 31, 2011               208,259,354                    
Options Exercisable at December 31, 2011 (weighted average exercise price)               $ 46.93                    
Options Vested and Expected to Vest       21,000,000       208,269,549 [1]                    
Options Vested and Expected to Vest (weighted average exercise price)               $ 46.93 [1]                    
Aggregate Intrinsic Value               $ 0                    
Weighted Average Remaining Contractual Term of Options Outstanding               2.7                    
Weighted Average Remaining Contractual Term of Options Exercisable               $ 2.6                    
Weighted Average Remaining Contractual Term of Options Vested and Expected to Vest               $ 2.6                    
Award Vesting Period                     18 months 10 years 3 years 8 years 3 years 4 years 3 years  
Period Vesting of Restricted Stock Units Begins 1 year                                  
[1] Includes vested shares and nonvested shares after a forfeiture rate is applied.