XML 97 R84.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Adjustments recognized for uncertain tax positions $ 0 $ 0
Operating loss carryforwards   $ 1,700,000,000