CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings			$ 2,379,500,000	$ 1,557,000,000	$ 824,900,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization			745,100,000	624,700,000	577,200,000
Stock compensation			153,700,000	111,700,000	107,000,000.0
Gain (Loss) on Disposition of Business			0	0	13,200,000
Depreciation And Amortization Of Leased Assets			194,900,000	200,300,000	194,100,000
Goodwill and Intangible Asset Impairment			0	462,100,000	0
Increase (Decrease) in Deferred Liabilities		$ 76,900,000	(75,900,000)	(47,000,000.0)	29,200,000
Other Operating Activities, Cash Flow Statement			(24,000,000.0)	83,400,000	(6,500,000)
Change in assets and liabilities (net of effects of acquisitions and divestitures):
(Increase) decrease in accounts receivable			222,000,000.0	(913,400,000)	(64,100,000)
Increase (Decrease) in Contract with Customer, Asset			(179,200,000)	(42,500,000)	(59,000,000.0)
Increase (Decrease) in Inventories			2,800,000	(196,600,000)	(21,900,000)
Increase in prepaid expenses and other			(68,200,000)	(5,400,000)	(42,600,000)
Increase (Decrease) in Accounts Payable			(10,200,000)	(5,300,000)	(12,800,000)
Increase (Decrease) in Deferred Revenue			45,000,000.0	48,400,000	38,100,000
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities			(275,900,000)	257,900,000	(132,100,000)
Net cash provided by operating activities			3,109,600,000	2,135,300,000	1,444,700,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures			(460,400,000)	(381,700,000)	(400,200,000)
Proceeds from sale of assets			87,300,000	42,100,000	7,700,000
Proceeds from Sale of Other Investments			13,200,000	1,000,000.0	11,200,000
Proceeds from Divestiture of Businesses			0	3,100,000	0
Proceeds from Derivative Instrument, Investing Activities			0	0	1,700,000
Payments to Acquire Equity Method Investments			27,800,000	40,100,000	27,500,000
Acquisition of businesses, net of cash acquired			(496,900,000)	(267,600,000)	(876,000,000.0)
Net Cash Provided by (Used in) Investing Activities, Total			(884,600,000)	(643,200,000)	(1,283,100,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Senior Notes offerings			1,000,000,000	0	1,050,000,000
Repayments of Senior Debt			(1,000,000,000)	(412,200,000)	(687,900,000)
Proceeds from Other Debt			0	0	850,000,000.0
Repayments of Lines of Credit			0	(151,700,000)	(495,000,000.0)
Repayments of Other Long-term Debt			(375,000,000.0)	0	(1,002,000,000)
Payments on revolving credit facilities			0	151,700,000	495,000,000.0
Net share settlement tax payments from issuance of stock to employees			(47,400,000)	(34,500,000)	(40,600,000)
Net proceeds from issuance of stock to employees			51,700,000	55,900,000	64,700,000
Purchase of common stock	$ (1,000,000,000)		(1,668,500,000)	(100,000,000.0)	(450,000,000.0)
Proceeds from (Payments for) Other Financing Activities			(26,600,000)	(26,600,000)	(36,900,000)
Effect of exchange rate changes on cash and cash equivalents			(2,065,800,000)	(517,400,000)	(252,700,000)
Effect of exchange rate changes on cash and cash equivalents			(7,300,000)	8,600,000	1,800,000
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total			151,900,000	983,300,000	(89,300,000)
Cash and cash equivalents at beginning of period			$ (1,320,800,000)	$ (337,500,000)	$ (426,800,000)