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Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions |  |  | 3 Months Ended | 6 Months Ended | 11 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 14, 2022 | Jan. 24, 2022 | Jul. 30, 2022 | Apr. 30, 2022 | Jul. 31, 2021 | Jul. 30, 2022 | Jul. 31, 2021 | Jul. 30, 2022 | Jun. 30, 2022 | Jan. 29, 2022 | Jan. 21, 2022
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amount of preferred dividends in arrears |  |  | $ 0 |  | $ 0 | $ 0 | $ 0 |  |  |  |
Amount repurchased |  |  | 22,800,000 | $ 268,200,000 |  |  |  |  |  |  |
Accelerated share repurchases, total Value committed to repurchase |  |  |  |  |  |  |  |  |  |  | $ 250,000,000
Accelerated share repurchases, payment |  | $ 250,000,000 |  |  |  |  |  |  |  |  |
Treasury stock, shares, acquired | 0.8 | 2.5 |  |  |  |  |  |  |  |  |
Accelerated share repurchases, initial price paid per share |  | $ 80 |  |  |  |  |  |  |  |  |
Accelerated share repurchases, prepayment amount, percent paid up front |  | 80.00% |  |  |  |  |  |  |  |  |
Accelerated share repurchases, prepayment amount, percent to be paid upon final settlement | 20.00% |  |  |  |  |  |  |  |  |  |
2017 Program |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase to authorized amount |  |  |  |  |  |  |  |  | $ 500,000,000 | $ 559,400,000 |
Amount authorized |  |  |  |  |  |  |  |  | $ 1,700,000,000 | $ 1,200,000,000 |
Amount repurchased |  |  |  |  |  | 341,000,000.0 | $ 0 | $ 1,100,000,000 |  |  |
Remaining authorized repurchase amount |  |  | $ 622,400,000 |  |  | $ 622,400,000 |  | $ 622,400,000 |  |  |

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- Definition The price paid per share to immediately purchase the targeted number of shares on the date of executing 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 https://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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