Segment Financial Data (Details) (USD $)
In Millions | 3 Months Ended | 9 Months Ended |
|---|
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 |
|---|
| Segment Reporting Information [Line Items] | | | | |
| Product sales | $ 7,308 | $ 6,329 | $ 21,267 | $ 18,320 |
| Service sales | 1,990 | 1,810 | 5,789 | 5,281 |
| Net sales | 9,298 | 8,139 | 27,056 | 23,601 |
| Segment profit | 1,367 | 1,159 | 3,928 | 3,244 |
| Oher income (expense) | 8 | 75 | 36 | 73 |
| Interest and other financial charges | (90) | (96) | (285) | (294) |
| Stock compensaton (expense) | (38) | (36) | (129) | (122) |
| Pension (expense) | (26) | (50) | (83) | (146) |
| Other Postretirement income/(expense) | 82 | (18) | 109 | (12) |
| Repositioning and other charges | (410) | (212) | (637) | (480) |
| Income before taxes | 893 | 822 | 2,939 | 2,263 |
Aerospace [Member] | | | | |
| Segment Reporting Information [Line Items] | | | | |
| Product sales | 1,660 | 1,460 | 4,685 | 4,241 |
| Service sales | 1,262 | 1,244 | 3,743 | 3,616 |
| Net sales | 2,922 | 2,704 | 8,428 | 7,857 |
| Segment profit | 532 | 458 | 1,450 | 1,314 |
| Repositioning and other charges | (38) | (27) | (32) | (33) |
Automation and Control Solutions [Member] | | | | |
| Segment Reporting Information [Line Items] | | | | |
| Product sales | 3,388 | 2,972 | 9,855 | 8,366 |
| Service sales | 560 | 502 | 1,629 | 1,469 |
| Net sales | 3,948 | 3,474 | 11,484 | 9,835 |
| Segment profit | 544 | 471 | 1,499 | 1,258 |
| Repositioning and other charges | (137) | (34) | (182) | (63) |
Specialty Materials [Member] | | | | |
| Segment Reporting Information [Line Items] | | | | |
| Product sales | 1,300 | 1,111 | 3,812 | 3,377 |
| Service sales | 168 | 64 | 417 | 196 |
| Net sales | 1,468 | 1,175 | 4,229 | 3,573 |
| Segment profit | 254 | 194 | 819 | 578 |
| Repositioning and other charges | (28) | (14) | (41) | (25) |
Transportation Systems [Member] | | | | |
| Segment Reporting Information [Line Items] | | | | |
| Product sales | 960 | 786 | 2,915 | 2,336 |
| Service sales | 0 | 0 | 0 | 0 |
| Net sales | 960 | 786 | 2,915 | 2,336 |
| Segment profit | 121 | 92 | 368 | 250 |
| Repositioning and other charges | (120) | (44) | (196) | (149) |
Corporate [Member] | | | | |
| Segment Reporting Information [Line Items] | | | | |
| Segment profit | (84) | (56) | (208) | (156) |
| Repositioning and other charges | $ (87) | $ (93) | $ (186) | $ (210) |