RELATED PARTIES (Tables)

12 Months Ended

Dec. 31, 2021

Related Party [Abstract]

Disclosure of Transactions Between Related Parties

		Year ended December 31,			December 31,
		Sales			Trade receivables
Related parties and their subsidiaries where applicable	Category	2021	2020	2019	2021	2020
Calvert	Joint Venture	3,549	1,488	2,518	48	18
Gonvarri Steel Industries 1	Associate	2,234	1,395	1,728	72	67
Acciaierie d'Italia 2	Joint Venture	1,193	—	—	363	—
ArcelorMittal CLN Distribuzione Italia	Joint Venture	499	304	483	35	6
Borçelik	Joint Venture	484	312	474	105	15
Aperam	Other	478	155	172	67	19
Bamesa	Associate	370	226	365	53	27
Tuper	Joint Venture	326	128	147	60	36
WDI 3	Associate	195	106	105	2	1
ArcelorMittal RZK Çelik Servis Merkezi	Joint Venture	154	167	225	67	14
Coils Lamiere Nastri (C.L.N.)	Associate	150	146	247	8	7
Tameh	Joint Venture	107	64	109	19	6
Condesa 4	Joint Venture	106	46	69	—	11
ArcelorMittal BE Group	Joint Venture	81	37	56	7	—
SSC Tanger	Associate	78	49	55	1	1
Stalprofil	Associate	64	47	58	12	2
Alkat	Associate	56	32	27	14	6
I/N Kote 5	Other	—	226	321	—	—
Other		395	214	283	151	33
Total		10,519	5,142	7,442	1,084	269

1.Gonvarri Steel Industries include mainly the joint ventures ArcelorMittal Gonvarri Brasil Productos Siderúrgicos and ArcelorMittal Gonvarri SSC Slovakia.

2.On April 14, 2021, ArcelorMittal completed an investment agreement with Invitalia, an Italian state-owned company, forming the joint venture Acciaierie d’Italia (see note 2.3.1). On September 30, 2021, the raw material supply agreement between Acciaierie d’Italia and the Company expired without renewal.

3.WDI includes Westfälische Drahtindustrie Verwaltungsgesellschaft mbH & Co. KG and Westfälische Drahtindustrie GmbH.

4.On November 19, 2021, the Company completed the acquisition of Condesa, a joint venture in which it already held a 33% interest, through the acquisition of the remaining 67% shares (see note 2.2.4).

5.I/N Kote was divested on December 9, 2020 upon completion of ArcelorMittal USA sale (see note 2.3.1).

		Year ended December 31,			December 31,
		Purchases			Trade payables
Related parties and their subsidiaries where applicable	Category	2021	2020	2019	2021	2020
Tameh	Joint Venture	404	171	273	178	37
Global Chartering	Joint Venture	286	138	—	20	8
Integrated Metal Recycling	Joint Venture	167	—	—	—	—
AMNS India	Joint Venture	166	18	—	1	—
Sitrel	Joint Venture	88	29	49	2	—
Aperam	Other	86	56	47	15	8
CFL Cargo	Associate	71	54	63	26	16
Exeltium	Associate	71	50	52	12	12
Alkat	Associate	68	53	36	10	8
Calvert	Joint Venture	63	124	127	6	9
Baycoat	Joint Venture	53	46	47	6	7
Gonvarri Steel Industries 1	Associate	45	19	22	19	17
Al Jubail	Joint Venture	21	16	53	7	7
Other		284	377	323	129	143
Total		1,873	1,151	1,092	431	272

1.Gonvarri Steel Industries include mainly the joint ventures ArcelorMittal Gonvarri Brasil Productos Siderúrgicos and ArcelorMittal Gonvarri SSC Slovakia.