Segment and Geographic Information - Reconciliation of Consolidated Income (Loss), Net of Income Taxes to Adjusted EBITDA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income (loss) from continuing operations, net of income taxes	$ 1,317.4	$ 347.4	$ (1,859.8)
Depreciation, depletion and amortization	317.6	308.7	346.0
Asset retirement obligation expenses	49.4	44.7	45.7
Restructuring charges	2.9	8.3	37.9
Transaction costs related to joint ventures	0.0	0.0	23.1
Asset impairment	11.2	0.0	1,487.4
Changes in deferred tax asset valuation allowance and reserves and amortization of basis difference related to equity affiliates	(2.3)	(33.8)	30.9
Interest expense	140.3	183.4	139.8
Net loss (gain) on early debt extinguishment	57.9	(33.2)	0.0
Interest income	(18.4)	(6.5)	(9.4)
Net mark-to-market adjustment on actuarially determined liabilities	(27.8)	(43.4)	(5.1)
Unrealized losses on derivative contracts related to forecasted sales	35.8	115.1	29.6
Unrealized losses (gains) on foreign currency option contracts	2.3	7.5	(7.1)
Take-or-pay contract-based intangible recognition	(2.8)	(4.3)	(8.2)
Income tax (benefit) provision	(38.8)	22.8	8.0
Total Adjusted EBITDA	$ 1,844.7	$ 916.7	$ 258.8