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Segment Information Financial Information Related to Company's Reportable Segments (Details) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2018 USD ($) Segment | Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($)
Segment Information [Line Items] |  |  |  |
Number of reportable segments | Segment |  | 5 |  |
Segment EBITA |  | $ 4,555 | $ 4,258 | $ 2,754
Amortization of Intangible Assets |  | (384) | (489) | (116)
General corporate expenses | [1] | (576) | (768) | (607)
Net Sales |  | 31,400 | 30,172 | 20,837
Net financing charges |  | (441) | (496) | (289)
Restructuring and impairment costs |  | (263) | (367) | (288)
Equity income in segment income |  | 235 | 240 | 174
Net mark-to-market adjustments on pension and postretirement plans |  | (10) | (420) | 393
Income from continuing operations before income taxes |  | 2,901 | 2,558 | 1,061
Total assets |  | 48,797 | 51,884 | 63,179
Assets held for sale |  | 0 | 2,109 | 13,186
Depreciation and amortization |  | 1,085 | 1,188 | 953
Capital expenditures |  | 1,030 | 1,343 | 1,249
Building Solutions North America |  |  |  |
Segment Information [Line Items] |  |  |  |
Equity Method Investments |  | 8 | 8 | 7
Building Solutions EMEA/LA |  |  |  |
Segment Information [Line Items] |  |  |  |
Equity Method Investments |  | 99 | 107 | 103
Building Solutions Asia Pacific |  |  |  |
Segment Information [Line Items] |  |  |  |
Equity Method Investments |  | 1 |  |
Global Products |  |  |  |
Segment Information [Line Items] |  |  |  |
Equity Method Investments |  | 740 | 629 | 513
Building Technologies & Solutions |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA |  | 3,138 | 2,831 | 1,427
Net Sales |  | 23,400 | 22,835 | 14,184
Total assets |  | 37,385 | 36,706 | 38,506
Depreciation and amortization |  | 764 | 859 | 304
Capital expenditures |  | 520 | 653 | 346
Building Technologies & Solutions | Building Solutions North America |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [2] | 1,109 | 1,039 | 494
Net Sales |  | 8,679 | 8,341 | 4,687
Restructuring and impairment costs |  | (20) | (59) |
Total assets |  | 15,384 | 15,228 | 15,554
Depreciation and amortization |  | 236 | 272 | 49
Capital expenditures |  | 114 | 107 | 16
Building Technologies & Solutions | Building Solutions EMEA/LA |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [3] | 344 | 290 | 74
Net Sales |  | 3,696 | 3,595 | 1,613
Restructuring and impairment costs |  | (56) | (74) | (17)
Equity income in segment income |  | 1 | 5 | 11
Total assets | [4] | 4,997 | 4,885 | 4,649
Depreciation and amortization |  | 110 | 140 | 14
Building Technologies & Solutions | Building Solutions EMEA/LA |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 73 | 98 | 19
Building Technologies & Solutions | Building Solutions Asia Pacific |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [5] | 347 | 323 | 222
Net Sales |  | 2,553 | 2,444 | 1,736
Restructuring and impairment costs |  | (16) | (16) |
Equity income in segment income |  | 1 | 1 | 1
Total assets |  | 2,743 | 2,575 | 2,521
Depreciation and amortization |  | 28 | 37 | 11
Capital expenditures |  | 26 | 27 | 7
Building Technologies & Solutions | Global Products |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [6] | 1,338 | 1,179 | 637
Net Sales |  | 8,472 | 8,455 | 6,148
Restructuring and impairment costs |  | (113) | (32) | (44)
Equity income in segment income |  | 175 | 151 | 114
Total assets | [7] | 14,261 | 14,018 | 15,782
Depreciation and amortization |  | 390 | 410 | 230
Capital expenditures |  | 307 | 421 | 304
Automotive Experience |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 0 | 63 | 395
Automotive Experience | Seating |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 0 | 62 | 392
Automotive Experience | Interiors |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 0 | 1 | 3
Power Solutions |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [8] | 1,417 | 1,427 | 1,327
Net Sales |  | 8,000 | 7,337 | 6,653
Restructuring and impairment costs |  | (8) | (20) | (66)
Equity income in segment income |  | 58 | 83 | 48
Total assets | [9] | 7,996 | 7,894 | 6,793
Depreciation and amortization |  | 256 | 236 | 238
Capital expenditures |  | 372 | 481 | 357
Equity Method Investments |  | 453 | 447 | 367
Unallocated |  |  |  |
Segment Information [Line Items] |  |  |  |
Total assets |  | 3,416 | 5,175 | 4,694
Corporate |  |  |  |
Segment Information [Line Items] |  |  |  |
Restructuring and impairment costs |  | (50) | (166) | (161)
Depreciation and amortization |  | 65 | 64 | 80
Capital expenditures |  | 138 | 146 | 151
Discontinued Operations |  |  |  |
Segment Information [Line Items] |  |  |  |
Depreciation and amortization |  | $ 0 | $ 29 | $ 331
[1] | Corporate expenses for the years ended September 30, 2018, 2017 and 2016 excludes $50 million, $166 million and $161 million, respectively, of restructuring and impairment costs.
[2] | Building Solutions North America segment EBITA for the year ended September 30, 2018 and 2017 excludes $20 million and $59 million, respectively, of restructuring and impairment costs.
[3] | Building Solutions EMEA/LA segment EBITA for the years ended September 30, 2018, 2017 and 2016 excludes $56 million, $74 million and $17 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2018, 2017 and 2016, EMEA/LA segment EBITA includes $1 million, $5 million and $11 million, respectively, of equity income.
[4] | Building Solutions EMEA/LA assets as of September 30, 2018, 2017 and 2016, include $99 million, $107 million and $103 million, respectively, of investments in partially-owned affiliates.
[5] | Building Solutions Asia Pacific segment EBITA for the year ended September 30, 2018 and 2017 excludes $16 million and $16 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2018, 2017 and 2016, Asia Pacific segment EBITA includes $1 million, $1 million and $1 million, respectively, of equity income.
[6] | Global Products segment EBITA for the years ended September 30, 2018, 2017 and 2016 excludes $113 million, $32 million and $44 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2018, 2017 and 2016, Global Products segment EBITA includes $175 million, $151 million and $114 million, respectively, of equity income.
[7] | Global Products assets as of September 30, 2018, 2017 and 2016, include $740 million, $629 million and $513 million, respectively, of investments in partially-owned affiliates.
[8] | Power Solutions segment EBITA for the years ended September 30, 2018, 2017 and 2016 excludes $8 million, $20 million and $66 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2018, 2017 and 2016, Power Solutions segment EBITA includes $58 million, $83 million and $48 million, respectively, of equity income.
[9] | Power Solutions assets as of September 30, 2018, 2017 and 2016, include $453 million, $447 million and $367 million, respectively, of investments in partially-owned affiliates.

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