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Income Per Share and Stockholders' Equity - Narrative (Detail) - USD ($) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 19, 2021 | Feb. 28, 2019 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Nov. 30, 2019 | Aug. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |
Shares repurchased during the period, value |  |  | $ 390,863,000 | $ 64,142,000 |  |  |
Capacity remaining under current stock repurchase programs |  |  | $ 1,590,000,000 |  |  |  |
March 2019 Repurchase Program |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |
Authorized share repurchase amount |  | $ 300,000,000 |  |  |  | $ 500,000,000 |
Authorized share repurchase term |  | 3 years |  |  |  |  |
Authorized share additional repurchase amount |  |  |  |  |  | $ 100,000,000 | $ 100,000,000
Shares repurchased during the period (in shares) |  |  | 615,108 |  | 3,122,054 |  |
Average price per share (in dollars per share) |  |  | $ 101.88 |  | $ 92.03 |  |
Shares repurchased during the period, value |  |  | $ 62,700,000 |  | $ 287,300,000 |  |
November 2021 Repurchase Program |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |
Authorized share repurchase amount | $ 2,000,000,000 |  |  |  |  |  |
Authorized share repurchase term | 5 years |  |  |  |  |  |
Shares repurchased during the period (in shares) |  |  | 3,563,278 |  | 832,315 |  |
Average price per share (in dollars per share) |  |  | $ 92.10 |  | $ 102.82 |  |
Shares repurchased during the period, value |  |  | $ 328,200,000 |  | $ 85,600,000 |  |
Contingently Issuable Shares |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |
Shares excluded in computation of diluted income per share (in shares) |  |  | 1,349,842 | 481,341 |  |  |

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