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v3.19.3.a.u2

Reorganization and Business Transformation (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Restructuring Cost and Reserve [Line Items] |  |  |
Expense accruals | $ 8,000,000 |  |
Restructuring costs | 14,000,000 | $ 23,000,000 |
Restructuring costs incurred | 37,000,000 |  |
Payments for restructuring | 19,000,000 | 11,000,000 |
Accelerated depreciation | 6,000,000 |  |
Employee separation benefits costs related to headquarter transition and business transformation |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expense accruals | 5,000,000 |  |
Payments for restructuring | 15,000,000 |  |
2015 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expense accruals | $ 0 | $ 0 | $ 26,000,000

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