Incentive Compensation Plans Schedule of Nonvested Stock Activity (Tables)

12 Months Ended

Dec. 31, 2019

Summary of Stock Options Assumptions [Abstract]

Schedule of Nonvested Share Activity [Table Text Block]

A summary of the activity of our non-vested stock-settled awards, cash-settled awards and performance-based awards during 2019 is presented below (performance-based awards are shown at 100% of the shares originally granted).

	Stock-Settled Awards					Cash-Settled Awards				Performance-Based Awards
	Awards			Weighted- Average Grant-Date Fair Value (per award)		Awards		Weighted- Average Grant-Date Fair Value (per award)		Awards			Weighted- Average Grant-Date Fair Value (per award)
Non-vested as of January 1, 2019	3.1			$	23.51	0.1		$	23.47	7.0			$	21.10
Granted	2.5			22.78		0.0		22.83		2.1			20.16
Vested	(0.7		)	22.78		0.0		23.53		(2.9		)	19.93
Forfeited	(0.2		)	23.42		0.0		22.84		(0.6		)	21.01
Non-vested as of December 31, 2019	4.7			$	23.21	0.1		$	23.20	5.6			$	21.36
Total unrecognized compensation expense remaining	$	56.0				$	1.2			$	45.7
Weighted-average years expected to be recognized over	1.6					1.5				1.7