Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.21.2
Stockholders' Equity - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2021
USD ($)
Equity, Class of Treasury Stock [Line Items]  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 589
Initial Board Approval [Member]  
Equity, Class of Treasury Stock [Line Items]  
Stock Repurchase Program, Period in Force 3 years
Stock Repurchase Program, Authorized Amount $ 1,000
Subsequent Board Approved Increase [Member]  
Equity, Class of Treasury Stock [Line Items]  
Stock Repurchase Program, Period in Force 3 years
Stock Repurchase Program, Authorized Amount $ 1,000