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		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Accounting Policies [Abstract]
Weighted average shares used in computing net income per share of common stock, basic	[1]	3,166	3,103
Stock-based awards		289	313
Convertible senior notes		2	5
Warrants		11	51
Weighted average shares used in computing net income per share of common stock, diluted	[1]	3,468	3,472

[1] Prior period results have been adjusted to reflect the three-for-one stock split effected in the form of a stock dividend in August 2022.