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v3.20.4

Schedule of Goodwill (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Line Items] |  |  |
Gross goodwill |  |  | $ 3,210
Goodwill [Roll Forward] |  |  |
Goodwill | $ 1,101 | $ 1,092 |
Goodwill, Impaired, Accumulated Impairment Loss |  |  | (2,118)
Acquisition |  | 21 |
Adjustments to the allocation of purchase price | 36 | (12) |
Goodwill | 1,137 | 1,101 |
Americas |  |  |
Goodwill [Line Items] |  |  |
Gross goodwill |  |  | 2,126
Goodwill [Roll Forward] |  |  |
Goodwill | 554 | 539 |
Goodwill, Impaired, Accumulated Impairment Loss |  |  | (1,587)
Acquisition |  | 21 |
Adjustments to the allocation of purchase price | (1) | (6) |
Goodwill | 553 | 554 |
International |  |  |
Goodwill [Line Items] |  |  |
Gross goodwill |  |  | 1,084
Goodwill [Roll Forward] |  |  |
Goodwill | 547 | 553 |
Goodwill, Impaired, Accumulated Impairment Loss |  |  | $ (531)
Acquisition |  | 0 |
Adjustments to the allocation of purchase price | 37 | (6) |
Goodwill | $ 584 | $ 547 |

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