Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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LONG-TERM OBLIGATIONS (Outline of Key Terms Related to Outstanding Senior Notes) (Details) - USD ($)	Jan. 15, 2020	Dec. 31, 2019	Oct. 03, 2019	Jun. 13, 2019	Mar. 15, 2019	Dec. 31, 2018	Dec. 08, 2017	Jan. 10, 2014	Aug. 19, 2013
Interest Rate Swap
Debt Instrument [Line Items]
Derivative asset		$ 9,000,000.0
2.250% senior notes
Debt Instrument [Line Items]
Interest rate swap agreements		$ (5,900,000)				$ (24,300,000)
1.375% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		1.375%
1.950% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		1.95%
Senior Notes \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative liability		$ 7,400,000
Senior Notes \| 2.800% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		2.80%
Principal amount		$ 750,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (600,000)				(2,200,000)
Senior Notes \| 3.300% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.30%
Principal amount		$ 750,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (1,500,000)				(2,800,000)
Senior Notes \| 3.450% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.45%
Principal amount		$ 650,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (2,300,000)				(3,700,000)
Senior Notes \| 5.900% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		5.90%
Principal amount		$ 500,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (1,100,000)				(1,600,000)
Senior Notes \| 5.900% senior notes \| Subsequent Event
Debt Instrument [Line Items]
Long-term debt, stated interest rate	5.90%
Senior Notes \| 2.250% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		2.25%
Principal amount		$ 600,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (7,900,000)				(27,300,000)
Senior Notes \| 4.70% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		4.70%
Principal amount		$ 700,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (1,800,000)				(2,600,000)
Senior Notes \| 3.50% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.50%
Principal amount		$ 1,000,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (5,700,000)				(7,400,000)
Senior Notes \| 3.000% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.00%					3.00%
Principal amount		$ 700,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		4,900,000				(12,500,000)
Senior Notes \| 3.000% senior notes \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative asset		$ 9,200,000
Derivative liability						(7,000,000.0)
Senior Notes \| 5.00% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		5.00%						5.00%	5.00%
Principal amount		$ 1,000,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ 1,700,000				2,100,000
Senior Notes \| 3.375% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.375%
Principal amount		$ 650,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (5,600,000)				0
Senior Notes \| 2.950% Notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		2.95%		2.95%
Principal amount		$ 650,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (8,700,000)				0
Senior Notes \| 1.375% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		1.375%
Principal amount		$ 560,600,000
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (7,600,000)				(9,300,000)
Senior Notes \| 4.000% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		4.00%
Principal amount		$ 750,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (6,800,000)				(7,900,000)
Senior Notes \| 4.400% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		4.40%
Principal amount		$ 500,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (3,400,000)				(3,900,000)
Senior Notes \| 1.950% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		1.95%
Principal amount		$ 560,600,000
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (6,200,000)				(7,300,000)
Senior Notes \| 3.375% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.375%
Principal amount		$ 1,000,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (12,100,000)				(13,700,000)
Senior Notes \| 3.125% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.125%
Principal amount		$ 400,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (2,400,000)				(2,700,000)
Senior Notes \| 2.750% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		2.75%	2.75%
Principal amount		$ 750,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (6,500,000)				0
Senior Notes \| 3.55% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.55%
Principal amount		$ 750,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (5,900,000)				(6,500,000)
Senior Notes \| 3.950% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.95%			3.95%
Principal amount		$ 600,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (10,400,000)				0
Senior Notes \| 3.800% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.80%		3.80%
Principal amount		$ 1,650,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (18,300,000)				0
Senior Notes \| 3.700% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.70%	3.70%
Principal amount		$ 600,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (8,200,000)				0
Senior Notes \| 3.600% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate		3.60%
Principal amount		$ 700,000,000.0
Debt Instrument, unamortized discount (premium) and debt issuance costs, net		$ (7,400,000)				$ (8,100,000)