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Period Type:

Employee Benefit Plans - Narrative (Details) $ in Millions	1 Months Ended		12 Months Ended
Employee Benefit Plans - Narrative (Details) $ in Millions	Feb. 27, 2025 shares	Aug. 31, 2024 shares	Dec. 31, 2024 USD ($) awardPeriod shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate maximum of common shares (in shares) \| shares			20,000,000
Common shares available for grant (in shares) \| shares			13,000,000
Net tax benefits / (deficiencies) recognized			$ 19.0	$ 32.0	$ 22.0
Stock-based compensation expenses			199.0	177.0	133.0
Pension Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pension plan costs			66.0	61.0	56.0
Company contributions to foreign pension plans			1.0	1.0	1.0
Defined benefit plan, benefit obligation			16.0	16.0
Fair value of foreign pension plan assets			17.0	16.0
(Prepaid) / Accrued benefit cost			(1.4)	(0.9)
Stock Options/SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			18.0	24.0	34.0
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			160.0	137.0	88.0
Unrecognized compensation expense			$ 349.0
Weighted average period over which unrecognized compensation expense will be recognized			1 year 9 months 18 days
Intrinsic value of performance units released during the years			$ 166.0	166.0	223.0
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense			$ 21.0
Weighted average period over which unrecognized compensation expense will be recognized			1 year 3 months 18 days
Performance period for performance units			3 years
Minimum performance multiple at the completion performance period			0.00%
Maximum performance multiple at the completion performance period			200.00%
Maximum performance multiple if TSR is negative			100.00%
Average return of capital employed, number of years			3 years
Stock-based compensation expenses			$ 12.0	16.0	11.0
Intrinsic value of performance units released during the years			$ 5.0	$ 10.0	$ 7.0
Performance Units \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance multiple applied at the completion period	12500.00%
Additional performance awards granted (in shares) \| shares	53,410
Performance Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Modifier applied to performance based multiple			(70.00%)
Performance Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Modifier applied to performance based multiple			70.00%
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value at which employees may purchase company stock via the ESPP			85.00%
Contributions to the ESPP percentage			10.00%
Number of award offerings \| awardPeriod			2
ESPP offering period			6 months
Share-Based Payment Arrangement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 9.0
Maximum number of shares per employee (in shares) \| shares		25
Intrinsic value of performance units released during the years			$ 9.0