Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Common stock, par value (in dollars per share)		$ 5	$ 5
Common stock, authorized (shares)		800,000,000	800,000,000
Common stock, issued (shares)		543,116,271	542,874,829
Common stock held in treasury at cost (shares)		145,087,054	142,298,689
Loans held for sale	[1]	$ 734.0	$ 1,010.0
Preferred stock		0.5	0.5
Portion at Fair Value Measurement
Loans held for sale		700.0	900.0
Loans, fair value		1,200.0	1,300.0
Other assets, fair value		100.0	100.0
Other borrowed funds, fair value (less than)		100.0	100.0
Other liabilities, fair value (less than)		100.0	200.0
Preferred stock		$ 0.5	$ 0.5

[1] Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $0.7 billion, Loans of $1.2 billion and Other assets of $0.1 billion at December 31, 2023. Comparable amounts at December 31, 2022 were $0.9 billion, $1.3 billion and $0.1 billion, respectively.