Summary of Significant Accounting Policies - Schedule of Reconciliation of Basic to Diluted Weighted Average Shares Used in Computing Net Income Per Share of Common Stock Attributable to Common Stockholders (Detail) - shares shares in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Weighted average shares used in computing net income per share of common stock, basic (in shares)	3,197	3,174	3,130
Stock-based awards (in shares)	292	298	310
Convertible senior notes (in shares)	1	2	3
Warrants (in shares)	8	11	32
Weighted average shares used in computing net income per share of common stock, basic (in shares)	3,498	3,485	3,475