Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, liquidation preference (in dollars per share)	$ 100,000	$ 100,000
Preferred stock, authorized (in shares)	4,000	4,000
Preferred stock, issued (in shares)	4,000	4,000
Common stock, par value (usd per share)	$ 5	$ 5
Common stock, authorized (in shares)	325,000,000	325,000,000
Common stock, issued (in shares)	228,164,824	228,164,824
Common stock, treasury (in shares)	95,559,986	96,266,568