XML 76 R64.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Feb. 09, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Business Acquisition [Line Items]            
Effective income tax rate 1.10%     2.00%   0.10%
Income tax benefit $ 57 $ 10 $ 0 $ 10   $ 13
Deferred tax asset, operating loss carryforward, limitations   54   54 $ 54  
Cancellation of debt income         5,000  
Federal            
Business Acquisition [Line Items]            
NOL carryforwards, subject to expiration   900   900 900  
Federal | Minimum            
Business Acquisition [Line Items]            
NOL carryforwards   2,500   2,500 2,500  
NOL carryforwards, not subject to expiration   1,600   1,600 1,600  
Federal | Maximum            
Business Acquisition [Line Items]            
NOL carryforwards   3,000   3,000 3,000  
NOL carryforwards, not subject to expiration   $ 2,100   $ 2,100 $ 2,100