Stockholders' Equity - Schedule of Repurchased Shares (Details) - 2019 Share Repurchase Program - USD ($)		12 Months Ended
Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Treasury stock, shares acquired (in shares)		1,605,582	722,596
Total cost of shares received	$ 1,000,000,000.0	$ 746,000,000.0	$ 254,000,000.0

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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