Note 2: Earnings Per Share (Tables)
| 9 Months Ended |
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Sep. 30, 2011 |
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| Notes to Condensed Consolidated Financial Statements [Abstract] | |
| Schedule of Earnings Per Share, Basic, by Common Class [Text Block] | | | | | Quarter Ended September 30, | | Nine Months Ended September 30, | | (Dollars in millions, except per share amounts; shares in millions) | | 2011 | | 2010 | | 2011 | | 2010 | | 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 | | | | | | | | | | | | | | | | | Earnings Per Share of Common Stock: | | | | | | | | | | | | | | | Basic | | $ | 1.49 | | $ | 1.32 | | $ | 4.09 | | $ | 3.49 | | | Diluted | | $ | 1.47 | | $ | 1.30 | | $ | 4.02 | | $ | 3.43 |
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| Schedule of Earnings Per Share, Diluted, by Common Class [Text Block] | | | | | Quarter Ended September 30, | | Nine Months Ended September 30, | | (Dollars in millions, except per share amounts; shares in millions) | | 2011 | | 2010 | | 2011 | | 2010 | | 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 | | | | | | | | | | | | | | | | | Earnings Per Share of Common Stock: | | | | | | | | | | | | | | | Basic | | $ | 1.49 | | $ | 1.32 | | $ | 4.09 | | $ | 3.49 | | | Diluted | | $ | 1.47 | | $ | 1.30 | | $ | 4.02 | | $ | 3.43 |
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