| Component: (Network and Table) | |
|---|---|
| Network | 2410403 - Disclosure - Other Assets (Summary of other assets) (Details) (http://www.rockwellcollins.com/role/OtherAssetsSummaryOfOtherAssetsDetails) |
| Table | Summary of Other Assets [Table] |
| Reporting Entity [Axis] | 0001137411 (http://www.sec.gov/CIK) |
| Financial Statement Line Item By Location [Axis] | Financial Statement Line Item By Location [Domain] |
| Other Assets | Period [Axis] | ||
|---|---|---|---|
2013-09-30 | 2012-09-30 | 2011-09-30 | |
Long-term receivables | 32,000,000 | 34,000,000 | |
Investments in equity affiliates | 22,000,000 | 19,000,000 | 11,000,000 |
Exchange and rental assets (net of accumulated depreciation of $91 at September 30, 2013 and $94 at September 30, 2012) | 55,000,000 | 51,000,000 | |
Other | 112,000,000 | 124,000,000 | |
Other Assets | 221,000,000 | 228,000,000 | |
Accumulated depreciation, exchange and rental assets | 91,000,000 | 94,000,000 | |