| Schedule of Segment Reporting Information, by Segment [Text Block] | | Quarter Ended September 30, | | Net Sales | | Operating Profits | | Operating Profit Margins | | (Dollars in millions) | | 2011 | | 2010 | | 2011 | | 2010 | | 2011 | | 2010 | | Otis | | $ | 3,262 | | $ | 2,908 | | $ | 731 | | $ | 678 | | 22.4% | | 23.3% | | Carrier | | | 3,175 | | | 2,936 | | | 422 | | | 380 | | 13.3% | | 12.9% | | UTC Fire & Security | | | 1,746 | | | 1,657 | | | 194 | | | 187 | | 11.1% | | 11.3% | | Pratt & Whitney | | | 3,251 | | | 3,230 | | | 535 | | | 547 | | 16.5% | | 16.9% | | Hamilton Sundstrand | | | 1,531 | | | 1,420 | | | 282 | | | 255 | | 18.4% | | 18.0% | | Sikorsky | | | 1,877 | | | 1,547 | | | 215 | | | 163 | | 11.5% | | 10.5% | | Total segments | | | 14,842 | | | 13,698 | | | 2,379 | | | 2,210 | | 16.0% | | 16.1% | | Eliminations and other | | | (38) | | | (78) | | | (75) | | | (199) | | | | | | General corporate expenses | | | - | | | - | | | (102) | | | (83) | | | | | | Consolidated | | $ | 14,804 | | $ | 13,620 | | $ | 2,202 | | $ | 1,928 | | 14.9% | | 14.2% | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, | | Net Sales | | Operating Profits | | Operating Profit Margins | | (Dollars in millions) | | 2011 | | 2010 | | 2011 | | 2010 | | 2011 | | 2010 | | Otis | | $ | 9,226 | | $ | 8,472 | | $ | 2,104 | | $ | 1,915 | | 22.8% | | 22.6% | | Carrier | | | 9,334 | | | 8,496 | | | 1,190 | | | 852 | | 12.7% | | 10.0% | | UTC Fire & Security | | | 5,120 | | | 4,687 | | | 562 | | | 478 | | 11.0% | | 10.2% | | Pratt & Whitney | | | 9,798 | | | 9,350 | | | 1,460 | | | 1,505 | | 14.9% | | 16.1% | | Hamilton Sundstrand | | | 4,503 | | | 4,125 | | | 793 | | | 680 | | 17.6% | | 16.5% | | Sikorsky | | | 5,245 | | | 4,597 | | | 633 | | | 477 | | 12.1% | | 10.4% | | Total segments | | | 43,226 | | | 39,727 | | | 6,742 | | | 5,907 | | 15.6% | | 14.9% | | Eliminations and other | | | (2) | | | (265) | | | (246) | | | (321) | | | | | | General corporate expenses | | | - | | | - | | | (295) | | | (253) | | | | | | Consolidated | | $ | 43,224 | | $ | 39,462 | | $ | 6,201 | | $ | 5,333 | | 14.3% | | 13.5% |
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