Stockholders’ Equity (Deficit) - Share-Based Payment Arrangement, Expensed and Capitalized, Amount (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended
	Sep. 21, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,581	$ 2,605	$ 10	$ 2,614	$ 23
Share-based payment arrangement, amount capitalized	$ 39	41	0	$ 41	0
Non-voting common stock withheld for tax obligation and net settlement (in shares)	20,810,882
Options (in shares)	43,052,572
Shares issued in period (in shares)				22,241,690
Taxes paid related to net share settlement of equity awards		570		$ 570	0
IPO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Sale of stock, price per share (in dollars per share)	$ 30.00
Cost of revenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense		17	0	17	0
Operations and support
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense		85	0	85	0
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense		1,711	3	1,715	10
Sales and marketing
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense		292	1	294	3
General and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense		$ 500	$ 6	$ 503	$ 10