Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash provided (required) by operating activities
Net income (loss)	$ (3,245.7)	$ 19.8
Adjustments to reconcile net income to cash provided (required) by operating activities
Depreciation	89.5	88.9
Amortization	30.9	30.5
Impairments	3,188.0	0.9
Employee benefit plan and share-based compensation costs	18.3	20.9
Deferred income tax provision (benefit), net	(54.3)	(90.8)
Unrealized loss on derivative instruments and foreign exchange	105.6	29.2
Income from equity affiliates, net of dividends received	(25.4)	(9.9)
Other	47.2	72.7
Changes in operating assets and liabilities, net of effects of acquisitions
Trade receivables, net and contract assets	(50.5)	131.8
Inventories, net	(30.2)	(61.5)
Accounts payable, trade	(4.2)	(148.6)
Contract liabilities	181.5	186.1
Income taxes payable (receivable), net	34.0	20.8
Other current assets and liabilities, net	(375.2)	(126.3)
Other noncurrent assets and liabilities, net	118.4	(43.1)
Cash provided by operating activities	27.9	121.4
Cash provided (required) by investing activities
Capital expenditures	(83.5)	(178.2)
Payment to acquire debt securities		59.7
Cash received from divestiture	2.5
Proceeds from sale of assets	7.5	0.9
Cash required by investing activities	(73.5)	(237.0)
Cash required by financing activities
Net increase in short-term debt	87.0	114.5
Net decrease in commercial paper	(578.5)	(450.4)
Proceeds from revolving credit facility	500.0
Proceeds from issuance of long-term debt		96.2
Purchase of ordinary shares		(33.0)
Payments related to taxes withheld on share-based compensation	(3.2)
Settlements of mandatorily redeemable financial liability	(4.2)	(174.9)
Cash provided (required) by financing activities	1.1	(447.6)
Effect of changes in foreign exchange rates on cash and cash equivalents	(146.3)	(11.5)
Decrease in cash and cash equivalents	(190.8)	(574.7)
Cash and cash equivalents, beginning of period	5,190.2	5,540.0
Cash and cash equivalents, end of period	$ 4,999.4	$ 4,965.3