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Income Taxes - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019
Income Taxes [Line Items] |  |  |  |  |
Effective income tax rate | 26.90% | 23.70% | 22.20% | 23.30% |
Increase (decrease) in provision for income tax related to change in enacted tax law |  |  | $ (4,000,000) |  |
Increase(decrease) Provision for income taxes related to share based compensation | $ 2,000,000 |  | (11,000,000) | $ 1,000,000 |
Increase (decrease) in provision for income tax related to non-deductible DOJ reserve | 6,000,000 |  | $ 6,000,000 |  |
Unrecognized tax benefits |  |  |  |  | $ 2,000,000
Impact of unrecognized tax benefits if recognized |  |  |  |  | $ 1,000,000
Period of expiration of the statute of limitations for certain jurisdictions |  |  | within the next twelve months |  |
Jurisdictions statutes of limitations expiration period |  |  | 12 months |  |
Maximum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Provisional deferred tax - GILTI |  |  | $ 1,000,000 | $ 1,000,000 |
Accrued interest and penalties | $ 1,000,000 |  | $ 1,000,000 |  |
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years |  |  | 4 years |  |
Minimum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years |  |  | 3 years |  |

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- Definition Tax cuts and jobs act of 2017, incomplete accounting, global intangible low taxed income provisions, deferred tax. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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