Stockholder's Equity - Summary of Stockholders' Equity Capital Accounts (Details) - $ / shares	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Preferred Stock, $1.00 par value:
Preferred stock, par value (in USD per share)	$ 1.00	$ 1.00
Authorized shares (in shares)	50,000,000	50,000,000
Issued shares (in shares)	0	0
Outstanding shares (in shares)	0	0	0	14,369,965
Common Stock, $1.00 par value:
Common stock, par value (in USD per share)	$ 1.00	$ 1.00
Authorized shares (in shares)	700,000,000	700,000,000
Issued shares (in shares)	448,998,438	419,124,469
Outstanding shares (in shares)	447,239,477	417,400,602