Recapitalization - Additional Information (Details)		3 Months Ended
	Jun. 16, 2021 USD ($) $ / shares shares	Jun. 30, 2021 $ / shares shares	Mar. 31, 2021 $ / shares shares	Feb. 04, 2021 $ / shares shares
Business Acquisition [Line Items]
Proceeds From Issuance of Common Stock Reverse Recapitalization | $	$ 559,700,000
Reverse Recapitalization Percentage of Voting Interests Acquired	100.00%
Reverse Recapitalization Transaction Costs | $	$ 33,700,000
Proceeds from issuance of common stock merger | $	$ 309,700,000
Restricted Stock Units [Member]
Business Acquisition [Line Items]
Shares conversion ratio	2.293698169
Founder shares [Member]
Business Acquisition [Line Items]
Shares restricted for transfer				12,713,750
Lock-up early release terms for the earn out shares, description		(i) one year after the Closing Date or (ii) the date following the completion of the Business Combination on which the Company completes a liquidation, merger, share exchange or other similar transaction that results in all of the shareholders having the right to exchange their ordinary shares for cash, securities or other property. Notwithstanding the foregoing, if the closing price of the Company's Class A common stock equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after the Business Combination, 70% of the Founder Shares will be released from the lock-up.
Percent of share release from lockup		70.00%
VG Acquisition Sponsor LLC [Member]
Business Acquisition [Line Items]
Sponsor, Description		(i) with respect to 50% of the Earn-Out Shares, upon the closing price of the Company’s Class A common stock equaling or exceeding $12.50 per share for any 20 trading days within any 30-trading-day period and (ii) with respect to the other 50% of the Earn-Out Shares, upon the closing price of the Company’s Class A common stock equaling or exceeding $15.00 per share for any 20 trading days within any 30-trading-day period; provided that the transfer restrictions applicable to the Earn-Out Shares will terminate on the date following the closing date on which the Company completes a liquidation, merger, amalgamation, capital stock exchange, reorganization or other similar transaction that results in all of the Company’s public stockholders having the right to exchange their shares of Class A common stock for cash, securities or other property (a “Liquidation Event”), if such Liquidation Event occurs prior to the date that the stock price thresholds referenced in (i) and (ii) are met.
Earn-out shares, Percentage		50.00%
Lockup period for shares		7 years
PIPE [Member]
Business Acquisition [Line Items]
Proceeds from investment | $	$ 250,000,000
Class A Common Stock [Member]
Business Acquisition [Line Items]
Common Stock, Par value | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Shares conversion ratio	2.293698169	2.293698169
Common Stock, Shares, Outstanding		92,672,510	20,713,076
Common Stock, Shares, Issued		92,672,510	20,713,076
Lock up for Class A common stock in connection with the Merger	180 days
Trading days	20 days	20 days
Number of trading days after commencing	30 days	30 days
Number of trading days after business combination		150 days
Class A Common Stock [Member] | Restricted Stock Units [Member]
Business Acquisition [Line Items]
Shares conversion ratio	2.293698169
Class A Common Stock [Member] | Founder shares [Member]
Business Acquisition [Line Items]
Share Price Thresholds Release From Lock Up | $ / shares		$ 12.00
Class A Common Stock [Member] | VG Acquisition Sponsor LLC [Member]
Business Acquisition [Line Items]
Common stock, Price Per Share | $ / shares				$ 10.00
Share Price Thresholds Release From Lock Up | $ / shares		$ 15.00
Class A Common Stock [Member] | The Anne Wojcicki Foundation [Member]
Business Acquisition [Line Items]
Common stock shares subscribed		2,500,000
Class A Common Stock [Member] | PIPE [Member]
Business Acquisition [Line Items]
Common Stock, Shares, Issued	25,000,000
Aggregate gross proceeds of common stock | $	$ 250,000,000
Class A Common Stock [Member] | PIPE [Member] | The Anne Wojcicki Foundation [Member]
Business Acquisition [Line Items]
Common stock shares subscribed	2,500,000
Class B Common Stock [Member]
Business Acquisition [Line Items]
Common Stock, Par value | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Acquired ownership percentage				30.00%
Shares conversion ratio	2.293698169	2.293698169
Common Stock, Shares, Outstanding		313,759,355	103,816,706
Common Stock, Shares, Issued		313,759,355	103,816,706
Class B Common Stock [Member] | Founder shares [Member]
Business Acquisition [Line Items]
Percentage Shares Restricted For Transfer				70.00%
Class B Common Stock [Member] | VG Acquisition Sponsor LLC [Member]
Business Acquisition [Line Items]
Share Price Thresholds Release From Lock Up | $ / shares		$ 12.50
Common Stock, Shares, Outstanding	3,814,125
Trading days	20 days
Number of trading days after commencing	30 days