Redeemable Convertible Preferred Units and Stockholders'/Members' Equity (Deficit) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Mar. 15, 2021	Mar. 31, 2021	Apr. 11, 2019
Class of Stock [Line Items]
Redeemable convertible preferred units authorized (in shares)			1,448,632,049
Common units authorized (in shares)			264,166,544
Chief Executive Officer
Class of Stock [Line Items]
Conversion of redeemable convertible preferred units (in shares)	132,859,550
Common Units
Class of Stock [Line Items]
Conversion of common units into Class A and Class B common stock (in shares)		128,723,000
Common Units | PIUs
Class of Stock [Line Items]
Conversion of stock, conversion discount (in shares)	(75,862)
Common class A
Class of Stock [Line Items]
Conversion of redeemable convertible preferred units (in shares)	1,196,605,432
Common class A | IPO
Class of Stock [Line Items]
Shares converted (in shares)	(1,200,000)
Sale of stock, number of shares issued in transaction (in shares)	100,000,000
Sale of stock, price per share (in usd per share)	$ 35.00
Proceeds from issuance of Class A common stock upon initial public offering, net of underwriting discounts	$ 3,400
Payments for underwriting discounts	$ 69
Common class A | PIUs
Class of Stock [Line Items]
Shares converted (in shares)	(22,367,358)
Common class A | Common Units
Class of Stock [Line Items]
Conversion of common units into Class A and Class B common stock (in shares)	85,579,584
Common class A | Common Units | PIUs
Class of Stock [Line Items]
Shares converted (in shares)	(22,443,220)
Common class B | IPO
Class of Stock [Line Items]
Shares converted (in shares)	1,200,000
Common class B | PIUs | Chief Executive Officer
Class of Stock [Line Items]
Conversion of common units into Class A and Class B common stock (in shares)	43,143,440