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Restructuring Costs (Tables) | 9 Months Ended
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Sep. 30, 2021
Restructuring Cost and Reserve [Line Items] |
Schedule of Restructuring and Related Costs [Table Text Block] | We recorded charges in the segments as follows:
(dollars in millions) | Quarter Ended September 30, 2021 |  | Nine Months Ended September 30, 2021
Pratt & Whitney | $ | 2 |  |  | $ | 6 |
Collins Aerospace Systems | 2 |  |  | 32 |
Corporate expenses and other unallocated items | 15 |  |  | 80 |
Total | $ | 19 |  |  | $ | 118 |
Restructuring charges incurred during the quarter and nine months ended September 30, 2021 primarily relate to actions initiated during 2021 and 2020, and were recorded as follows:
(dollars in millions) | Quarter Ended September 30, 2021 |  | Nine Months Ended September 30, 2021
Cost of sales | $ | 4 |  |  | $ | 25 |
Selling, general and administrative | 15 |  |  | 93 |
Total | $ | 19 |  |  | $ | 118 |
Current Year Actions [Member] |
Restructuring Cost and Reserve [Line Items] |
Schedule of Restructuring and Related Costs [Table Text Block] | The following table summarizes expected, incurred and remaining costs for the 2021 restructuring actions by segment:
(dollars in millions) | Expected Costs |  | Costs Incurred Quarter Ended March 31, 2021 |  | Costs Incurred Quarter Ended June 30, 2021 |  | Costs Incurred Quarter Ended September 30, 2021 |  | Remaining Costs at September 30, 2021
Pratt & Whitney | $ | 58 |  |  | $ | (20) |  |  | $ | (2) |  |  | $ | (1) |  |  | $ | 35 |
Collins Aerospace Systems | 67 |  |  | (16) |  |  | (3) |  |  | (9) |  |  | 39 |
Corporate expenses and other unallocated items | 62 |  |  | — |  |  | (60) |  |  | (2) |  |  | — |
Total | $ | 187 |  |  | $ | (36) |  |  | $ | (65) |  |  | $ | (12) |  |  | $ | 74 |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | The following table summarizes the accrual balance and utilization for the 2021 restructuring actions for the nine months ended September 30, 2021:
(dollars in millions) |  | Nine Months Ended September 30, 2021
Balance at January 1, 2021 |  | $ | — |
Net pre-tax restructuring costs |  | 113 |
Utilization, foreign exchange and other costs |  | (37) |
Balance at September 30, 2021 |  | $ | 76 |
Prior Year Actions [Member] |
Restructuring Cost and Reserve [Line Items] |
Schedule of Restructuring and Related Costs [Table Text Block] | The following table summarizes expected, incurred, and remaining costs for the 2020 restructuring actions by segment:
(dollars in millions) | Expected Costs |  | Costs Incurred in 2020 |  | Costs (Incurred) Reversed Quarter Ended March 31, 2021 |  | Costs (Incurred) Reversed Quarter Ended June 30, 2021 |  | Costs (Incurred) Reversed Quarter Ended September 30, 2021 |  | Remaining Costs at September 30, 2021
Pratt & Whitney | $ | 188 |  |  | $ | (205) |  |  | $ | — |  |  | $ | 17 |  |  | $ | — |  |  | $ | — |
Collins Aerospace Systems | 320 |  |  | (333) |  |  | 1 |  |  | 7 |  |  | 12 |  |  | 7 |
Corporate expenses and other unallocated items | 250 |  |  | (232) |  |  | (5) |  |  | — |  |  | (13) |  |  | — |
Total | $ | 758 |  |  | $ | (770) |  |  | $ | (4) |  |  | $ | 24 |  |  | $ | (1) |  |  | $ | 7 |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | The following table summarizes the accrual balances and utilization for the 2020 restructuring actions for the nine months ended September 30, 2021:
(dollars in millions) |  | Nine Months Ended September 30, 2021
Balance at January 1, 2021 |  | $ | 340 |
Net pre-tax restructuring costs |  | (19) |
Utilization, foreign exchange and other costs |  | (245) |
Balance at September 30, 2021 |  | $ | 76 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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