DEBT - Summary of Interest Expenses Related to Other Long-Term Debt (Details) - Senior Notes		Dec. 31, 2020	Apr. 30, 2020	Dec. 31, 2019	Aug. 31, 2017	Mar. 31, 2017	May 31, 2016	Nov. 30, 2015	Mar. 31, 2015	Sep. 30, 2014
0.8% (€1 Billion) Senior Notes due March 2022
Debt Instrument [Line Items]
Stated interest rate		0.80%		0.80%		0.80%
Effective interest rate at debt origination	[1]					0.94%
2.15% (€750 Million) Senior Notes due November 2022
Debt Instrument [Line Items]
Stated interest rate		2.15%		2.15%				2.15%
Effective interest rate at debt origination	[1]							2.27%
2.75% Senior Notes due March 2023
Debt Instrument [Line Items]
Stated interest rate		2.75%		2.75%	2.75%
Effective interest rate at debt origination	[1]				2.88%
2.375% (€1 Billion) Senior Notes due September 2024
Debt Instrument [Line Items]
Stated interest rate		2.375%		2.375%						2.375%
Effective interest rate at debt origination	[1]									2.54%
3.65% Senior Notes due March 2025
Debt Instrument [Line Items]
Stated interest rate		3.65%		3.65%					3.65%
Effective interest rate at debt origination	[1]								3.76%
4.1% Senior Notes due April 2025
Debt Instrument [Line Items]
Stated interest rate		4.10%	4.10%
Effective interest rate at debt origination	[1]		4.22%
3.6% Senior Notes due June 2026
Debt Instrument [Line Items]
Stated interest rate		3.60%		3.60%			3.60%
Effective interest rate at debt origination	[1]						3.70%
1.8% (€1 Billion) Senior Notes due March 2027
Debt Instrument [Line Items]
Stated interest rate		1.80%		1.80%					1.80%
Effective interest rate at debt origination	[1]								1.86%
4.5% Senior Notes due April 2027
Debt Instrument [Line Items]
Stated interest rate		4.50%	4.50%
Effective interest rate at debt origination	[1]		4.63%
3.55% Senior Notes due March 2028
Debt Instrument [Line Items]
Stated interest rate		3.55%		3.55%	3.55%
Effective interest rate at debt origination	[1]				3.63%
4.625% Senior Notes due April 2030
Debt Instrument [Line Items]
Stated interest rate		4.625%	4.625%
Effective interest rate at debt origination	[1]		4.72%

[1] Represents the coupon interest rate adjusted for deferred debt issuance costs, premiums or discounts existing at the origination of the debt.