Pensions and Postretirement Benefits Other Than Pensions (Schedule of Company's Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in plan assets:
Fair value at beginning of year	$ 2,993.8
Fair value at end of year	2,051.6	$ 2,993.8
Amounts included in the balance sheet:
Other noncurrent assets	1,398.6	1,379.7
Pension Plans [Member]
Change in benefit obligations:
Benefit obligation at beginning of year	3,394.5	3,662.8
Service cost	47.5	50.9	$ 58.3
Interest cost	70.3	58.6	83.8
Employee contributions	0.9	0.9
Amendments	0.0	(0.3)
Actuarial (gains) losses	(810.3)	(121.9)
Benefits paid	243.1	200.6
Currency translation	(59.6)	(28.4)
Curtailments and settlements	(5.0)	(20.0)
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change	9.1	7.5
Other, including expenses paid	(16.2)	(8.2)
Benefit obligation at end of year	2,386.1	3,394.5	3,662.8
Change in plan assets:
Fair value at beginning of year	2,993.8	3,114.6
Actual return on assets	(706.7)	73.5
Company contributions	90.5	55.9	99.7
Employee contributions	0.9	0.9
Benefits paid	(243.1)	(200.6)
Currency translation	(62.6)	(21.8)
Settlements	(5.0)	(20.5)
Other, including expenses paid	(16.2)	(8.2)
Fair value at end of year	2,051.6	2,993.8	$ 3,114.6
Funded status:
Plan assets less than the benefit obligations	(334.5)	(400.7)
Amounts included in the balance sheet:
Other noncurrent assets	61.0	82.2
Accrued compensation and benefits	(27.3)	(56.4)
Postemployment and other benefit liabilities	(368.2)	(426.5)
Net amount recognized	$ (334.5)	$ (400.7)