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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Face (par) amount of debt instrument at time of issuance.

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DEBT - Schedule of Outstanding Debt (Details) € in Millions, $ in Millions	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Mar. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)	Apr. 30, 2020 USD ($)	Aug. 31, 2017	Mar. 31, 2017	May 31, 2016	Nov. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Aug. 31, 2014 USD ($)
Debt Instrument [Line Items]
Carrying Value	$ 1,989			$ 985
Long-term debt	8,937			11,029
Total long-term debt
Debt Instrument [Line Items]
Outstanding Principal Amount	9,070			11,201
Unamortized Debt Discount and Debt Issuance Cost	(133)			(172)
Long-term debt	8,937			$ 11,029
Senior Notes
Debt Instrument [Line Items]
Outstanding Principal Amount	1,990
Unamortized Debt Discount and Debt Issuance Cost	(1)
Carrying Value	$ 1,989
0.8% (€1 Billion) Senior Notes due March 2022 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate				0.80%	0.80%			0.80%
Face amount of debt \| €					€ 1,000
Outstanding Principal Amount				$ 1,223
Unamortized Debt Discount and Debt Issuance Cost				(1)
Long-term debt				$ 1,222
0.8% (€1 Billion) Senior Notes due March 2022 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	0.80%	0.80%
Face amount of debt \| €		€ 1,000
Outstanding Principal Amount	$ 1,137
Unamortized Debt Discount and Debt Issuance Cost	0
Carrying Value	$ 1,137
2.15% (€750 Million) Senior Notes due November 2022 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate				2.15%	2.15%					2.15%
Face amount of debt \| €					€ 750
Outstanding Principal Amount				$ 919
Unamortized Debt Discount and Debt Issuance Cost				(4)
Long-term debt				$ 915
2.15% (€750 Million) Senior Notes due November 2022 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	2.15%	2.15%
Face amount of debt \| €		€ 750
Outstanding Principal Amount	$ 853
Unamortized Debt Discount and Debt Issuance Cost	(1)
Carrying Value	$ 852
2.75% Senior Notes due March 2023 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	2.75%	2.75%		2.75%	2.75%		2.75%
Outstanding Principal Amount	$ 500			$ 500
Unamortized Debt Discount and Debt Issuance Cost	(1)			(1)
Long-term debt	$ 499			$ 499
2.375% (€1 Billion) Senior Notes due September 2024 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	2.375%	2.375%		2.375%	2.375%							2.375%
Face amount of debt \| €		€ 1,000			€ 1,000
Outstanding Principal Amount	$ 1,137			$ 1,223
Unamortized Debt Discount and Debt Issuance Cost	(5)			(7)
Long-term debt	$ 1,132			$ 1,216
3.65% Senior Notes due March 2025 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.65%	3.65%		3.65%	3.65%						3.65%
Outstanding Principal Amount	$ 500			$ 500
Unamortized Debt Discount and Debt Issuance Cost	(1)			(2)
Long-term debt	$ 499			$ 498
0.1% (€950 Million) Senior Notes due March 2025 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	0.10%	0.10%	0.10%
Face amount of debt \| €		€ 950
Outstanding Principal Amount	$ 1,080		€ 950
Unamortized Debt Discount and Debt Issuance Cost	(4)
Long-term debt	$ 1,076
0.75% Convertible Senior Notes due May 2025 \| Convertible Senior Notes
Debt Instrument [Line Items]
Stated interest rate	0.75%	0.75%		0.75%	0.75%	0.75%
Face amount of debt						$ 863
Outstanding Principal Amount	$ 863			$ 863
Unamortized Debt Discount and Debt Issuance Cost	(99)			(128)
Long-term debt	$ 764			$ 735
3.6% Senior Notes due June 2026 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.60%	3.60%		3.60%	3.60%				3.60%
Outstanding Principal Amount	$ 1,000			$ 1,000
Unamortized Debt Discount and Debt Issuance Cost	(4)			(4)
Long-term debt	$ 996			$ 996
1.8% (€1 Billion) Senior Notes due March 2027 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	1.80%	1.80%		1.80%	1.80%						1.80%
Face amount of debt \| €		€ 1,000			€ 1,000
Outstanding Principal Amount	$ 1,137			$ 1,223
Unamortized Debt Discount and Debt Issuance Cost	(3)			(2)
Long-term debt	$ 1,134			$ 1,221
3.55% Senior Notes due March 2028 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.55%	3.55%		3.55%	3.55%		3.55%
Outstanding Principal Amount	$ 500			$ 500
Unamortized Debt Discount and Debt Issuance Cost	(2)			(2)
Long-term debt	$ 498			$ 498
0.5% (€750 Million) Senior Notes due March 2028 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	0.50%	0.50%	0.50%
Face amount of debt \| €		€ 750
Outstanding Principal Amount	$ 853		€ 750
Unamortized Debt Discount and Debt Issuance Cost	(5)
Long-term debt	$ 848
4.625% Senior Notes due April 2030 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.625%	4.625%		4.625%	4.625%	4.625%
Outstanding Principal Amount	$ 1,500			$ 1,500
Unamortized Debt Discount and Debt Issuance Cost	(9)			(11)
Long-term debt	$ 1,491			$ 1,489
0.9% Convertible Senior Notes due September 2021 \| Convertible Senior Notes
Debt Instrument [Line Items]
Stated interest rate													0.90%
Face amount of debt													$ 1,000
0.9% Convertible Senior Notes due September 2021 \| Convertible Senior Notes
Debt Instrument [Line Items]
Stated interest rate				0.90%	0.90%
Outstanding Principal Amount				$ 1,000
Unamortized Debt Discount and Debt Issuance Cost				(15)
Carrying Value				$ 985
4.1% Senior Notes due April 2025 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate				4.10%	4.10%
Outstanding Principal Amount				$ 1,000
Unamortized Debt Discount and Debt Issuance Cost				(5)
Long-term debt				$ 995
4.5% Senior Notes due April 2027 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate				4.50%	4.50%
Outstanding Principal Amount				$ 750
Unamortized Debt Discount and Debt Issuance Cost				(5)
Long-term debt				$ 745