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Capital Stock - Additional Information (Detail) $ / shares in Units, $ in Millions | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) $ / shares Directors shares | Dec. 31, 2023 $ / shares shares | Dec. 31, 2022 $ / shares shares | Jan. 31, 2025 USD ($) | Jan. 31, 2024 USD ($) | Jan. 31, 2023 USD ($) | Jan. 31, 2022 USD ($) | Feb. 28, 2021 USD ($)
Capital Structure [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized | shares | 1,800,000,000 | 1,800,000,000 |  |  |  |  |  |
Repurchase of common stock, shares | shares | 17,798,000 | 14,465,000 | 30,747,000 |  |  |  |  |
Repurchase price of common stock, per share | $ / shares | $ 337.74 | $ 263.47 | $ 227.67 |  |  |  |  |
Board of Directors Chairman [Member] |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |
Share repurchase program authorized amount | $ | $ 764 |  |  |  | $ 6,000 | $ 3,000 | $ 8,000 | $ 6,000
Subsequent Event [Member] | Board of Directors Chairman [Member] |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |
Share repurchase program authorized amount | $ |  |  |  | $ 10,000 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |
Number of directors as per the amended and restated by-laws | Directors | 3 |  |  |  |  |  |  |

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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(16)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 + Details
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