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Contingencies - Summary of Cumulative Trauma Product Liability Claims Activity (Detail) | 12 Months Ended
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Dec. 31, 2020 lawsuit trauma_claim | Dec. 31, 2019 lawsuit trauma_claim | Dec. 31, 2018 trauma_claim lawsuit
Lawsuits |  |  |
Loss Contingency, Quantities [Roll Forward] |  |  |
Open lawsuits/Pending claims, January 1 | lawsuit | 1,605 | 1,481 | 1,420
New lawsuits/claims | lawsuit | 402 | 346 | 369
Settled and dismissed lawsuits/claims | lawsuit | (385) | (222) | (308)
Open lawsuits/Pending claims, December 31 | lawsuit | 1,622 | 1,605 | 1,481
Pending claims |  |  |
Loss Contingency, Quantities [Roll Forward] |  |  |
Open lawsuits/Pending claims, January 1 | trauma_claim | 2,456 | 2,355 | 2,242
New lawsuits/claims | trauma_claim | 917 | 486 | 479
Settled and dismissed lawsuits/claims | trauma_claim | (495) | (385) | (366)
Open lawsuits/Pending claims, December 31 | trauma_claim | 2,878 | 2,456 | 2,355

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- Definition The number of claims settled and dismissed during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 + Details
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- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 + Details
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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 + Details
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