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		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accounting Policies [Abstract]
Weighted average shares used in computing net income per share of common stock, basic	[1]	3,171	3,111	3,168	3,107
Stock-based awards		294	302	292	308
Convertible senior notes		2	3	2	4
Warrants		11	48	11	50
Weighted average shares used in computing net income per share of common stock, diluted	[1]	3,478	3,464	3,473	3,469

[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.