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Restructuring and Related Impairment Charges - 2020 restructuring Plan (Details) - 2020 Restructuring Plan - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Sep. 02, 2020
Restructuring Cost and Reserve [Line Items] |  |  |
Additional amount authorized under the restructuring plan |  |  | $ 75,000,000
Restructuring and related impairment charges | $ 70,232,000 | $ 410,258,000 |
Cash Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 224,000,000 | 224,000,000 |
Facilities and Lease Terminations |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 63,000,000 | 63,000,000 |
Employee Related Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 30,000,000 | 30,000,000 |
Contract Termination And Other Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 131,000,000 | 131,000,000 |
Non-Cash Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 376,000,000 | 376,000,000 |
Long-Lived Asset Impairment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 291,000,000 | 291,000,000 |
Intangible and Other Asset Impairment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 85,000,000 | 85,000,000 |
Minimum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 550,000,000 | 550,000,000 |
Maximum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | $ 600,000,000 | $ 600,000,000 |

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