Employee Benefit Plans - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Feb. 22, 2024 shares	Dec. 31, 2023 USD ($) awardPeriod $ / shares shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
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		15,000,000
Net tax benefits / (deficiencies) recognized		$ 32.0	$ 22.0	$ (11.0)
Stock-Based Compensation Expenses		177.0	133.0	152.0
Pension Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total pension plan costs		61.0	56.0	52.0
Company contributions to foreign pension plans		1.0	1.0	1.0
Defined benefit plan, benefit obligation		16.0	14.0
Fair value of foreign pension plan assets		16.0	15.0
(Prepaid) / Accrued benefit cost		$ (0.9)	(0.5)
Stock Options/SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Terms for stock options and SARs granted maximum		7 years
Stock-based compensation expense		$ 24.0	34.0	48.0
Stock options/SARs vested or expected to vest (in shares) | shares		2,800,000
Weighted average grant price vested or expected to vest (per share) | $ / shares		$ 79.17
Intrinsic value of stock options/SARs vested or expected to vest		$ 119.0
Weighted average remaining contractual life		3 years 3 months 18 days
Unrecognized compensation expense		$ 13.0
Weighted average period over which unrecognized compensation expense will be recognized		8 months 12 days
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares available for grant(in shares) | shares		1,200,000
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
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 137.0	88.0	89.0
Unrecognized compensation expense		$ 357.0
Weighted average period over which unrecognized compensation expense will be recognized		1 year 9 months 18 days
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		$ 18.0
Weighted average period over which unrecognized compensation expense will be recognized		1 year 8 months 12 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		$ 16.0	$ 11.0	$ 15.0
Performance multiple applied at the completion period					50.00%	50.00%	125.00%
Performance Units | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance multiple applied at the completion period	25.00%
Additional performance awards granted (in shares) | shares	134,981
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%