General form of registration statement for all companies including face-amount certificate companies

Subsequent Events (Details)

v3.21.2
Subsequent Events (Details) - USD ($)
shares in Thousands, $ in Millions
1 Months Ended 9 Months Ended 12 Months Ended
Nov. 09, 2021
Oct. 27, 2021
Oct. 06, 2021
Mar. 11, 2021
Feb. 17, 2021
Jan. 28, 2021
Sep. 30, 2019
Sep. 30, 2017
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Subsequent Event [Line Items]                        
Options granted                 1,707 4,293 1,563 3,995
Stock options | 2021 Omnibus Equity Incentive Plan                        
Subsequent Event [Line Items]                        
Options granted         365 73            
Stock options | Subsequent Event | 2021 Omnibus Equity Incentive Plan                        
Subsequent Event [Line Items]                        
Options granted   11                    
Restricted Stock Units (RSUs)                        
Subsequent Event [Line Items]                        
Other than stock options granted             37 75 1,720 1,510    
Restricted Stock Units (RSUs) | 2021 Omnibus Equity Incentive Plan                        
Subsequent Event [Line Items]                        
Options granted           268            
Restricted Stock Units (RSUs) | Subsequent Event | 2021 Omnibus Equity Incentive Plan                        
Subsequent Event [Line Items]                        
Options granted       9 213              
Other than stock options granted   36 13                  
Open Slate | Subsequent Event                        
Subsequent Event [Line Items]                        
Cash portion of acquisition payment $ 125                      
Equity portion of acquisition payment 25                      
Total consideration $ 150