CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities
Net income (loss)	$ (1,643.2)	$ 24.2
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Amortization in interest expense	5.6	5.1
Compensation on equity grants	33.1	32.7
Depreciation and amortization expense	443.6	474.6
Impairment of long-lived assets	2,442.8
Accretion of asset retirement obligations	1.7	2.3
Deferred income tax expense (benefit)	(301.7)	(6.2)
Equity (earnings) loss of unconsolidated affiliates	(35.5)	(5.9)
Distributions of earnings received from unconsolidated affiliates	44.5	14.4
Risk management activities	(125.9)	0.1
(Gain) loss on sale or disposition of assets		3.1
(Gain) loss from financing activities	(61.1)	1.4
Change in contingent considerations		8.9
Changes in operating assets and liabilities, net of business acquisitions:
Receivables and other assets	241.3	182.4
Inventories	(56.7)	(76.7)
Accounts payable, accrued liabilities and other liabilities	(268.8)	(149.7)
Interest payable	19.2	41.6
Net cash provided by operating activities	738.9	552.3
Cash flows from investing activities
Outlays for property, plant and equipment	(615.9)	(1,751.0)
Proceeds from sale of business and assets	134.8	2.4
Investments in unconsolidated affiliates	(1.4)	(194.8)
Return of capital from unconsolidated affiliates	6.9	0.1
Other, net	3.5	(19.1)
Net cash used in investing activities	(472.1)	(1,962.4)
Debt obligations:
Proceeds from borrowings under credit facilities	1,240.0	1,770.0
Repayments of credit facilities	(800.0)	(2,280.0)
Proceeds from borrowings under accounts receivable securitization facility	226.4	742.9
Repayments of accounts receivable securitization facility	(346.4)	(724.6)
Proceeds from issuance of senior notes		1,500.0
Redemption of senior notes	(239.8)	(749.4)
Principal payments of finance leases	(6.2)	(5.5)
Costs incurred in connection with financing arrangements	(0.5)	(25.2)
Payment of contingent consideration		(317.1)
Repurchase of shares and units under compensation plans	(3.4)	(9.6)
Sale of ownership interests in subsidiaries		1,619.7
Contributions from noncontrolling interests	25.7	403.5
Distributions to noncontrolling interests	(206.2)	(35.9)
Distributions to Partnership unitholders	(5.6)	(5.6)
Dividends paid to common and Series A preferred shareholders	(285.7)	(478.7)
Net cash provided by (used in) financing activities	(401.7)	1,404.5
Net change in cash and cash equivalents	(134.9)	(5.6)
Cash and cash equivalents, beginning of period	331.1	232.1
Cash and cash equivalents, end of period	$ 196.2	$ 226.5