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Summary of Significant Accounting Policies - Schedule of Reconciliation of Net Income Used in Computing Basic and Diluted Net Income Per Share of Common Stock and Basic to Diluted Weighted Average Shares Used in Computing Net Income Per Share of Common Stock (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Abstract] |  |  |
Net income attributable to common stockholders | $ 14,997 | $ 12,556 | $ 5,519
Less: Buy-out of noncontrolling interest | (2) | (27) | (5)
Net income used in computing basic net income per share of common stock | 14,999 | 12,583 | 5,524
Less: Dilutive convertible debt | 0 | (1) | (9)
Net income used in computing diluted net income per share of common stock | $ 14,999 | $ 12,584 | $ 5,533

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