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Note Net income per common share - Additional Information (Detail) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) shares
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] |
Accelerated share repurchases settlement receipt | $ | $ 250
Common Shares Repurchased Accelerated Share Repurchase Agreements | 3,500,000
Antidilutive Securities Excluded from Computation of Earnings Per Share |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 1,268,890

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- Definition Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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