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Stock Repurchase Program - Additional Information (Detail) - USD ($) shares in Thousands |  | 1 Months Ended | 3 Months Ended | 263 Months Ended
--- | --- | --- | --- | ---
Oct. 07, 2019 | Dec. 13, 2019 | Nov. 23, 2019 | Nov. 17, 2018 | Nov. 23, 2019
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchased cumulative, shares |  |  | 403 | 654 | 147,300
Purchase of treasury stock |  |  | $ 449,999,000 | $ 497,060,000 | $ 21,873,000,000
Increase in authorization of stock repurchase, value | $ 1,250,000,000 |  |  |  |
Stock repurchase authorized | $ 23,150,000,000 |  |  |  |
Remaining value authorized for share repurchases |  |  | $ 1,277,000 |  | $ 1,277,000
Subsequent Events [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchased cumulative, shares |  | 101,815 |  |  |
Purchase of treasury stock |  | $ 120,000,000.0 |  |  |

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