Commitment and Contingencies - R&D Services Agreement (Details) - Tempus Labs, Inc. - Research And Development Services - USD ($)	1 Months Ended	12 Months Ended
Oct. 31, 2021	Dec. 31, 2021
Long-term Purchase Commitment [Line Items]
Services contract term	3 years
Annual minimum commitment payment in year one	$ 1,500,000
Annual minimum commitment payment in year two	2,000,000
Annual minimum commitment payment in year three	2,500,000
Sales milestone payment	$ 22,400,000
Sales milestone payment in shares of common stock, percent threshold	50.00%
Payments under the agrement		$ 0

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Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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