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BUSINESS SEGMENT AND GEOGRAPHIC REGION INFORMATION - Identifiable Assets, Capital Expenditures for PPE, and Depreciation of PPE by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 34,027 | $ 31,824 | $ 32,805
Goodwill | 14,751 | 12,903 | 13,456
Other intangible assets | 5,855 | 4,175 | 4,638
Assets held for sale | 0 | 2,487 |
Capital expenditures for property, plant and equipment | 575 | 389 | 587
Depreciation of property, plant and equipment | 426 | 408 | 465
Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 9,515 | 8,160 | 9,820
Capital expenditures for property, plant and equipment | 551 | 367 | 542
Depreciation of property, plant and equipment | 374 | 352 | 413
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 3,906 | 4,099 | 3,514
Assets held for sale | 0 | 2,487 | 1,377
Capital expenditures for property, plant and equipment | 24 | 22 | 45
Depreciation of property, plant and equipment | 52 | 56 | 52
Electrical Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 7,417 | 6,456 | 6,352
Electrical Americas | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 3,002 | 2,333 | 2,360
Capital expenditures for property, plant and equipment | 180 | 95 | 160
Depreciation of property, plant and equipment | 105 | 101 | 118
Electrical Global |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 4,183 | 4,295 | 4,106
Electrical Global | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 2,579 | 2,334 | 2,319
Capital expenditures for property, plant and equipment | 120 | 71 | 106
Depreciation of property, plant and equipment | 97 | 94 | 93
Hydraulics |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 0 | 0 | 921
Hydraulics | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 0 | 0 | 1,293
Capital expenditures for property, plant and equipment | 34 | 41 | 80
Depreciation of property, plant and equipment | 0 | 0 | 58
Aerospace |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 2,781 | 1,777 | 1,706
Aerospace | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,729 | 1,363 | 1,562
Capital expenditures for property, plant and equipment | 78 | 59 | 61
Depreciation of property, plant and equipment | 69 | 53 | 37
Vehicle |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 290 | 293 | 291
Vehicle | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,985 | 1,950 | 2,145
Capital expenditures for property, plant and equipment | 112 | 77 | 127
Depreciation of property, plant and equipment | 95 | 98 | 102
eMobility |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 80 | 82 | 80
eMobility | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 220 | 180 | 141
Capital expenditures for property, plant and equipment | 27 | 24 | 8
Depreciation of property, plant and equipment | $ 8 | $ 6 | $ 5

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