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Restructuring Programs (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Restructuring Cost and Reserve [Line Items] |  |  |  |
Strategic transformation costs | $ 2 | $ 0 | $ 6 | $ 2
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | 21 | 49
Restructuring Charges |  |  | 47 | 56
Reversals of prior accruals |  |  | 3 | (8)
Restructuring, Net Current Period Charges | 18 | 8 | 50 | 48
Restructuring payments against reserve and currency |  |  | (61) | (55)
Reclassification to operating lease ROU assets |  |  |  | (22)
Balance at end of period | 10 | 20 | 10 | 20
Commercial Industries |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring, Net Current Period Charges | 4 | 3 | 11 | 14
Government services |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring, Net Current Period Charges | 0 | 0 | 1 | 1
Transportation Services |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring, Net Current Period Charges | (1) | 0 | 2 | 1
Other |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring, Net Current Period Charges | 0 | (1) | 0 | 0
Corporate, Non-Segment [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring, Net Current Period Charges | 15 | 6 | 36 | 32
Severance and Related Costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | 15 | 13
Restructuring Charges |  |  | 13 | 22
Reversals of prior accruals |  |  | 1 | (5)
Restructuring, Net Current Period Charges |  |  | 14 | 17
Restructuring payments against reserve and currency |  |  | (22) | (17)
Reclassification to operating lease ROU assets |  |  |  | 0
Balance at end of period | 7 | 13 | 7 | 13
Lease Cancellation and Other Costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | 6 | 36
Restructuring Charges |  |  | 19 | 24
Reversals of prior accruals |  |  | 2 | (4)
Restructuring, Net Current Period Charges |  |  | 21 | 20
Restructuring payments against reserve and currency |  |  | (24) | (27)
Reclassification to operating lease ROU assets |  |  |  | (22)
Balance at end of period | 3 | 7 | 3 | 7
Facility Closing |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | 0 | 0
Restructuring Charges |  |  | 15 | 10
Reversals of prior accruals |  |  | 0 | 1
Restructuring, Net Current Period Charges |  |  | 15 | 11
Restructuring payments against reserve and currency |  |  | (15) | (11)
Reclassification to operating lease ROU assets |  |  |  | 0
Balance at end of period | 0 | 0 | 0 | 0
Data Center Consolidation [Member] | Lease Cancellation and Other Costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring Charges | $ 8 | $ 0 | $ 16 | $ 18

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