Note 2: Earnings Per Share (Details) (USD $) In Millions, except Per Share data | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | |
| Notes to Condensed Consolidated Financial Statements [Abstract] | ||||
| Net income attributable to common shareowners | $ 1,324 | $ 1,198 | $ 3,654 | $ 3,174 |
| Basic weighted average number of shares outstanding | 888.8 | 905.6 | 893.7 | 909.9 |
| Stock Awards | 13.1 | 13.9 | 15.4 | 14.9 |
| Diluted weighted average number of shares outstanding | 901.9 | 919.5 | 909.1 | 924.8 |
| Basic | $ 1.49 | $ 1.32 | $ 4.09 | $ 3.49 |
| Diluted | $ 1.47 | $ 1.30 | $ 4.02 | $ 3.43 |
| Outstanding stock awards excluded from the computation of diluted earnings per share | 6.5 | 12.7 | 0 | 12.6 |