| Schedule of Restructuring and Related Costs [Text Block] | | (Dollars in millions) | | | | | Otis | | $ | 47 | | Carrier | | | 37 | | UTC Fire & Security | | | 29 | | Pratt & Whitney | | | 48 | | Hamilton Sundstrand | | | 10 | | Sikorsky | | | 16 | | Eliminations and other | | | 1 | | Total | | $ | 188 |
| (Dollars in millions) | | Severance | | Asset Write-Downs | | Facility Exit, Lease Termination and Other Costs | | Total | | Expected costs | | $ | 176 | | $ | 3 | | $ | 59 | | $ | 238 | | Costs incurred - quarter ended March 31, 2011 | | | (11) | | | - | | | - | | | (11) | | Costs incurred - quarter ended June 30, 2011 | | | (54) | | | (3) | | | (1) | | | (58) | | Costs incurred - quarter ended September 30, 2011 | | | (71) | | | - | | | (10) | | | (81) | | Balance at September 30, 2011 | | $ | 40 | | $ | - | | $ | 48 | | $ | 88 |
| | | | | Costs Incurred | | Costs Incurred | | Costs Incurred | | Remaining | | | | | | Quarter Ended | | Quarter Ended | | Quarter Ended | | Costs at | | (Dollars in millions) | | Expected Costs | | March 31, 2011 | | June 30, 2011 | | September 30, 2011 | | September 30, 2011 | | Otis | | $ | 88 | | $ | (3) | | $ | (4) | | $ | (41) | | $ | 40 | | Carrier | | | 27 | | | (3) | | | (9) | | | (8) | | | 7 | | UTC Fire & Security | | | 27 | | | (2) | | | (7) | | | (12) | | | 6 | | Pratt & Whitney | | | 48 | | | - | | | (33) | | | (3) | | | 12 | | Hamilton Sundstrand | | | 8 | | | (2) | | | (2) | | | (4) | | | - | | Sikorsky | | | 39 | | | (1) | | | (2) | | | (13) | | | 23 | | Eliminations and other | | | 1 | | | - | | | (1) | | | - | | | - | | Total | | $ | 238 | | $ | (11) | | $ | (58) | | $ | (81) | | $ | 88 |
| (Dollars in millions) | | Severance | | Asset Write-Downs | | Facility Exit, Lease Termination and Other Costs | | Total | | Expected costs | | $ | 326 | | $ | 25 | | $ | 106 | | $ | 457 | | Costs incurred through December 31, 2010 | | | (301) | | | (19) | | | (51) | | | (371) | | Costs incurred - quarter ended March 31, 2011 | | | (5) | | | (4) | | | (6) | | | (15) | | Costs incurred - quarter ended June 30, 2011 | | | (5) | | | - | | | (11) | | | (16) | | Costs incurred - quarter ended September 30, 2011 | | | 1 | | | (2) | | | (8) | | | (9) | | Remaining costs at September 30, 2011 | | $ | 16 | | $ | - | | $ | 30 | | $ | 46 |
| | | | | | Costs Incurred | | Costs Incurred | | Costs Incurred | | Costs Incurred | | Remaining | | | | | | | through | | Quarter Ended | | Quarter Ended | | Quarter Ended | | Costs at | | (Dollars in millions) | | Expected Costs | | December 31, 2010 | | March 31, 2011 | | June 30, 2011 | | September 30, 2011 | | September 30, 2011 | | Otis | | $ | 88 | | $ | (87) | | $ | (1) | | $ | - | | $ | - | | $ | - | | Carrier | | | 107 | | | (74) | | | (11) | | | (6) | | | (1) | | | 15 | | UTC Fire & Security | | | 92 | | | (64) | | | (2) | | | (5) | | | (6) | | | 15 | | Pratt & Whitney | | | 93 | | | (84) | | | (1) | | | (4) | | | (1) | | | 3 | | Hamilton Sundstrand | | | 41 | | | (29) | | | - | | | (1) | | | (1) | | | 10 | | Sikorsky | | | 18 | | | (15) | | | - | | | - | | | - | | | 3 | | Eliminations and other | | | 18 | | | (18) | | | - | | | - | | | - | | | - | | Total | | $ | 457 | | $ | (371) | | $ | (15) | | $ | (16) | | $ | (9) | | $ | 46 |
|
| Schedule of Restructuring Reserve by Type of Cost [Text Block] | | (Dollars in millions) | | Severance | | Asset
Write-Downs | | Facility Exit, Lease Termination and Other Costs | | Total | | Restructuring accruals at June 30, 2011 | | $ | 39 | | $ | - | | $ | 1 | | $ | 40 | | Net pre-tax restructuring costs | | | 71 | | | - | | | 10 | | | 81 | | Utilization and foreign exchange | | | (34) | | | - | | | (7) | | | (41) | | Balance at September 30, 2011 | | $ | 76 | | $ | - | | $ | 4 | | $ | 80 |
| (Dollars in millions) | | Severance | | Asset
Write-Downs | | Facility Exit, Lease Termination and Other Costs | | Total | | Restructuring accruals at June 30, 2011 | | $ | 98 | | $ | - | | $ | 12 | | $ | 110 | | Net pre-tax restructuring costs | | | (1) | | | 2 | | | 8 | | | 9 | | Utilization and foreign exchange | | | (30) | | | (2) | | | (8) | | | (40) | | Balance at September 30, 2011 | | $ | 67 | | $ | - | | $ | 12 | | $ | 79 |
|