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Restructuring and Asset Impairment Charges (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |
Net current period restructuring charges, continuing operations |  | $ 37 | $ 41 | $ 59
Restructuring reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  | 6 | 6 |
Provision |  | 38 | 44 |
Changes in estimates |  | (1) | (3) |
Total Net Current Period Charges | [1] | 37 | 41 |
Charges against reserve and currency |  | (33) | (41) |
Balance at end of period |  | 10 | 6 | 6
Strategic transformation costs |  | 2 | 4 | 8
Commercial: |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Net current period restructuring charges, continuing operations |  | 6 | 4 | 11
Government: |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Net current period restructuring charges, continuing operations |  | 1 | 1 | 1
Transportation: |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Net current period restructuring charges, continuing operations |  | 1 | 1 | 2
Unallocated Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Net current period restructuring charges, continuing operations |  | 29 | 35 | 45
Severance and Related Costs |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  | 5 | 3 |
Provision |  | 15 | 8 |
Changes in estimates |  | (1) | 0 |
Total Net Current Period Charges | [1] | 14 | 8 |
Charges against reserve and currency |  | (9) | (6) |
Balance at end of period |  | 10 | 5 | 3
Termination and Other Costs |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  | 1 | 3 |
Provision |  | 12 | 27 |
Changes in estimates |  | 0 | (3) |
Total Net Current Period Charges | [1] | 12 | 24 |
Charges against reserve and currency |  | (13) | (26) |
Balance at end of period |  | 0 | 1 | 3
Termination and Other Costs | Data Center Consolidation |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Provision |  | 10 | 23 | 23
Asset Impairments |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  | 0 | 0 |
Provision |  | 11 | 9 |
Changes in estimates |  | 0 | 0 |
Total Net Current Period Charges | [1] | 11 | 9 |
Charges against reserve and currency |  | (11) | (9) |
Balance at end of period |  | $ 0 | $ 0 | $ 0
[1] | Represents amounts recognized within the Consolidated Statements of Income (Loss) for the years shown.

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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