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Discontinued Operation (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from discontinued operations attributable to common shareowners | $ (7) | $ 113 | $ (34) | $ (399)
Income (loss) from discontinued operations, before tax | (1) | 13 | (31) | (219)
Income tax expense (benefit) from discontinued operations | 6 | (100) | 3 | 137
Income (Loss) from discontinued operations | (7) | 113 | (34) | (356)
Less: Noncontrolling interest in subsidiaries’ earnings from discontinued operations | 0 | 0 | 0 | 43
Net cash used in operating activities |  |  | (27) | (693)
Net cash used in investing activities |  |  | 0 | (241)
Net cash provided by (used in) financing activities |  |  | 27 | (1,449)
Otis [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from discontinued operations attributable to common shareowners | 0 | 0 | 0 | 187
Selling, general and administrative expense | 0 | 0 | 0 | 450
Other income (expense), net | 0 | 0 | 0 | (65)
Income (loss) from discontinued operations, before tax | 0 | 0 | 0 | 340
Income tax expense (benefit) from discontinued operations | 0 | 0 | 0 | 116
Income (Loss) from discontinued operations | 0 | 0 | 0 | 224
Less: Noncontrolling interest in subsidiaries’ earnings from discontinued operations | 0 | 0 | 0 | 37
Otis [Member] | Research and Development Expense |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Research and development | 0 | 0 | 0 | 38
Otis [Member] | Nonoperating Income (Expense) |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Non-operating expense (income), net | 0 | 0 | 0 | 3
Otis [Member] | Product [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sales | 0 | 0 | 0 | 1,123
Costs of Goods Sold | 0 | 0 | 0 | 913
Otis [Member] | Service [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sales | 0 | 0 | 0 | 1,843
Costs of Goods Sold | 0 | 0 | 0 | 1,157
Carrier [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from discontinued operations attributable to common shareowners | 0 | 0 | 0 | 196
Selling, general and administrative expense | 0 | 0 | 0 | 669
Other income (expense), net | 0 | 0 | 0 | (30)
Income (loss) from discontinued operations, before tax | 0 | 0 | 0 | 304
Income tax expense (benefit) from discontinued operations | 0 | 0 | 0 | 102
Income (Loss) from discontinued operations | 0 | 0 | 0 | 202
Less: Noncontrolling interest in subsidiaries’ earnings from discontinued operations | 0 | 0 | 0 | 6
Carrier [Member] | Research and Development Expense |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Research and development | 0 | 0 | 0 | 98
Carrier [Member] | Nonoperating Income (Expense) |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Non-operating expense (income), net | 0 | 0 | 0 | 17
Carrier [Member] | Product [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sales | 0 | 0 | 0 | 3,143
Costs of Goods Sold | 0 | 0 | 0 | 2,239
Carrier [Member] | Service [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sales | 0 | 0 | 0 | 741
Costs of Goods Sold | 0 | 0 | 0 | 527
Separation related transactions |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from discontinued operations attributable to common shareowners | (7) | 113 | (34) | (782)
Selling, general and administrative expense | 1 | (13) | 31 | 154
Income (loss) from discontinued operations, before tax | (1) | 13 | (31) | (863)
Income tax expense (benefit) from discontinued operations | 6 | (100) | 3 | (81)
Separation related transactions | Nonoperating Income (Expense) |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Non-operating expense (income), net | $ 0 | $ 0 | $ 0 | $ 709

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