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Basis of Presentation - Computation of Basic and Diluted Earnings Per Share (Detail) - shares shares in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Earnings Per Share [Abstract] |  |  |
Weighted-average shares used in basic computations | 98.5 | 105.9 | 131.5
Dilutive effect of exercise of equity grants outstanding | 1.0 | 2.4 | 3.0
Dilutive effect of 2028 Convertible Notes | 0.0 | 0.0 | 0.0
Weighted-average shares used in diluted computations | 99.5 | 108.3 | 134.5

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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 40 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e2029-109256 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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