Annual report pursuant to Section 13 and 15(d)

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)

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DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) - USD ($)
 9 Months Ended 12 Months Ended
Jul. 01, 2019
Dec. 31, 2019
Dec. 31, 2019
Apr. 10, 2019
Shares Issued, Price Per Share $ 10.00 $ 10.00 $ 10.00  
Proceeds from Issuance Initial Public Offering $ 690,000,000 $ 677,788,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 11.50 $ 11.50  
Proceeds from Issuance of Warrants   $ 15,800,000    
Deferred Underwriting Fee Payable Non current   21,371,000 $ 21,371,000  
Cash   $ 2,238,275 $ 2,238,275 $ 0
Temporary Equity, Redemption Price Per Share $ 10.00      
Maximum Percentage Of Shares Eligible From Redemption 15.00%      
Dissolution Expenses Payable $ 100,000      
Working Capital Requirement Fund Annual Limit $ 250,000      
IPO [Member]        
Stock Issued During Period, Shares, New Issues 69,000,000   69,000,000  
Shares Issued, Price Per Share $ 10.00 $ 10.00 $ 10.00  
Proceeds from Issuance Initial Public Offering $ 690,000,000      
Transaction Cost Related To Issuance Of Common Stock 34,319,807      
Underwriting Fees 12,212,000      
Deferred Underwriting Fee Payable Non current 21,371,000      
Other Costs Related To Issuance Of Common Stock $ 736,807      
Cash   $ 2,238,275 $ 2,238,275  
Over-Allotment Option [Member]        
Stock Issued During Period, Shares, New Issues 9,000,000   9,000,000  
Private Placement [Member]        
Number Of Warrants Issued 15,800,000   15,800,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.00 $ 1.00 $ 1.00  
Proceeds from Issuance of Warrants $ 15,800,000   $ 15,800,000  
Churchill Sponsor LLC [Member]        
Business Combination Aggregate Fair Market Value On Assets Held In Trust Percentage 80.00%      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets $ 5,000,001