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Reconciliation of Adjusted EBITDA to Income (Loss) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |
Adjusted EBITDA | $ 788 | $ 781 | $ 735
Non-vehicle depreciation and amortization | 263 | 256 | 259
Interest expense related to corporate debt, net | (178) | (188) | (188)
Early extinguishment of debt | 12 | 19 | 3
Restructuring Charges | 80 | 22 | 63
Transaction-related costs, net | 10 | 20 | 23
Non-operational charges related to shareholder activist activity | 2 | 9 | 0
Impairment | 0 | 0 | 2
Charges for legal matter | 0 | 0 | (14)
Income before income taxes | 287 | 267 | 211
Acquisition-related Costs [Member] |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |
Non-vehicle depreciation and amortization | $ 56 | $ 61 | $ 58

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- Definition Adjusted earnings before non-vehicle related depreciation and amortization, any impairment charge, restructuring and other related charges, early extinguishment of debt costs, non-vehicle related interest, transaction-related costs, net charges for an unprecedented personal-injury legal matters, non-operational charges related to shareholder activist activity and income taxes. + References No definition available. + Details
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