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Segment Information Financial Information Related to Company's Reportable Segments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Segment Information [Line Items] |  |  |  |
Segment EBITA |  | $ 4,258 | $ 2,754 | $ 2,327
Amortization of Intangible Assets |  | (489) | (116) | (74)
General corporate expenses | [1] | (768) | (607) | (417)
Net Sales |  | 30,172 | 20,837 | 17,100
Net financing charges |  | (496) | (289) | (274)
Restructuring and impairment costs |  | (367) | (288) | (215)
Equity income in segment income |  | 240 | 174 | 80
Net mark-to-market adjustments on pension and postretirement plans |  | (420) | 393 | 416
Income from continuing operations before income taxes |  | 2,558 | 1,061 | 931
Total assets |  | 51,884 | 63,179 | 29,590
Assets held for sale |  | 2,109 | 13,186 | 10,613
Depreciation and amortization |  | 1,188 | 953 | 860
Capital expenditures |  | 1,343 | 1,249 | 1,135
Building Technologies & Solutions |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA |  | 2,831 | 1,427 | 1,086
Net Sales |  | 22,835 | 14,184 | 10,510
Total assets |  | 36,706 | 38,506 | 9,383
Depreciation and amortization |  | 859 | 304 | 181
Capital expenditures |  | 653 | 346 | 217
Building Technologies & Solutions | Building Solutions North America |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [2] | 1,039 | 494 | 416
Net Sales |  | 8,341 | 4,687 | 4,270
Restructuring and impairment costs |  | 59 |  | 2
Total assets |  | 15,228 | 15,554 | 2,300
Depreciation and amortization |  | 272 | 49 | 24
Capital expenditures |  | 107 | 16 | 17
Building Technologies & Solutions | Building Solutions EMEA/LA |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [3] | 290 | 74 | 45
Net Sales |  | 3,595 | 1,613 | 1,549
Restructuring and impairment costs |  | 74 | 17 | 9
Equity income in segment income |  | 5 | 11 | 14
Total assets | [4] | 4,885 | 4,649 | 1,022
Depreciation and amortization |  | 140 | 14 | 10
Building Technologies & Solutions | Building Solutions EMEA/LA |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 98 | 19 | 17
Building Technologies & Solutions | Building Solutions Asia Pacific |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [5] | 323 | 222 | 211
Net Sales |  | 2,444 | 1,736 | 1,651
Restructuring and impairment costs |  | 16 |  | 7
Equity income in segment income |  | 1 | 1 |
Total assets |  | 2,575 | 2,521 | 978
Depreciation and amortization |  | 37 | 11 | 9
Capital expenditures |  | 27 | 7 | 8
Building Technologies & Solutions | Global Products |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [6] | 1,179 | 637 | 414
Net Sales |  | 8,455 | 6,148 | 3,040
Restructuring and impairment costs |  | 32 | (44) | (20)
Equity income in segment income |  | 151 | 114 | 9
Total assets | [7] | 14,018 | 15,782 | 5,083
Depreciation and amortization |  | 410 | 230 | 138
Capital expenditures |  | 421 | 304 | 162
Building Technologies & Solutions | Global Workplace Solutions |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 0 | 0 | 13
Automotive Experience |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 63 | 395 | 455
Automotive Experience | Seating |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 62 | 392 | 356
Automotive Experience | Interiors |  |  |  |
Segment Information [Line Items] |  |  |  |
Capital expenditures |  | 1 | 3 | 99
Power Solutions |  |  |  |
Segment Information [Line Items] |  |  |  |
Segment EBITA | [8] | 1,427 | 1,327 | 1,241
Net Sales |  | 7,337 | 6,653 | 6,590
Restructuring and impairment costs |  | 20 | 66 | 11
Equity income in segment income |  | 83 | 48 | 57
Total assets | [9] | 7,894 | 6,793 | 6,531
Depreciation and amortization |  | 236 | 238 | 286
Capital expenditures |  | 481 | 357 | 252
Unallocated |  |  |  |
Segment Information [Line Items] |  |  |  |
Total assets |  | 5,175 | 4,694 | 3,063
Corporate |  |  |  |
Segment Information [Line Items] |  |  |  |
Restructuring and impairment costs |  | 166 | 161 | 166
Depreciation and amortization |  | 64 | 80 | 60
Capital expenditures |  | 146 | 151 | 211
Discontinued Operations |  |  |  |
Segment Information [Line Items] |  |  |  |
Depreciation and amortization |  | $ 29 | $ 331 | $ 333
[1] | Corporate expenses for the years ended September 30, 2017, 2016 and 2015 excludes $166 million, $161 million and $166 million, respectively, of restructuring and impairment costs.
[2] | Building Solutions North America segment EBITA for the years ended September 30, 2017 and 2015 excludes $59 million and $2 million, respectively, of restructuring and impairment costs.
[3] | Building Solutions EMEA/LA segment EBITA for the years ended September 30, 2017, 2016 and 2015 excludes $74 million, $17 million and $9 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2017, 2016 and 2015, EMEA/LA segment EBITA includes $5 million, $11 million and $14 million, respectively, of equity income.
[4] | Building Solutions EMEA/LA assets as of September 30 2017, 2016 and 2015, include $107 million, $103 million and $90 million, respectively, of investments in partially-owned affiliates.
[5] | Building Solutions Asia Pacific segment EBITA for the years ended September 30, 2017 and 2015 excludes $16 million and $7 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2017 and 2016, Asia Pacific segment EBITA includes $1 million and $1 million, respectively, of equity income.
[6] | Global Products segment EBITA for the years ended September 30, 2017, 2016 and 2015 excludes $32 million, $44 million and $20 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2017, 2016 and 2015, Global Products segment EBITA includes $151 million, $114 million and $9 million, respectively, of equity income.
[7] | Global Products assets as of September 30 2017, 2016 and 2015, include $637 million, $520 million and $64 million, respectively, of investments in partially-owned affiliates.
[8] | Power Solutions segment EBITA for the years ended September 30, 2017, 2016 and 2015 excludes $20 million, $66 million and $11 million, respectively, of restructuring and impairment costs. For the years ended September 30, 2017, 2016 and 2015, Power Solutions segment EBITA includes $83 million, $48 million and $57 million, respectively, of equity income.
[9] | Power Solutions assets as of September 30 2017, 2016 and 2015, include $447 million, $367 million and $343 million, respectively, of investments in partially-owned affiliates.

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