FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Liquidity risk [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Creditor	TOTAL	TOTAL
Up to 90 days	$ 1,493,535	$ 980,479
More than 90 days to one year	2,445,619	925,714
More than one to three years	1,519,275	3,109,661
More than three to five years	1,344,761	1,401,379
More than five years	1,064,747	1,726,498
Total	7,867,937	8,143,731
Nominal Value	$ 6,801,685	$ 7,077,118
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| CITIBANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	97.018.000-1
Creditor	CITIBANK
Creditor country	Chile
Currency	US$
Up to 90 days	$ 115,350
Total	115,350
Nominal Value	$ 114,000
Amortization	At Expiration
Effective rate %	2.96%
Nominal rate %	2.96%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| ITAU [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	97.030.000-7
Creditor	ITAU
Creditor country	Chile
Currency	US$
Up to 90 days	$ 20,140
Total	20,140
Nominal Value	$ 20,000
Amortization	At Expiration
Effective rate %	4.20%
Nominal rate %	4.20%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| HSBC [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	HSBC
Creditor country	Chile
Currency	US$
Up to 90 days	$ 12,123
Total	12,123
Nominal Value	$ 12,000
Amortization	At Expiration
Effective rate %	4.15%
Nominal rate %	4.15%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| BANCO ESTADO [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		97.030.000-7
Creditor		BANCO ESTADO
Creditor country		Chile
Currency		US$
Up to 90 days		$ 41,543
Total		41,543
Nominal Value		$ 40,000
Amortization		At Expiration
Effective rate %		3.49%
Nominal rate %		3.49%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| SCOTIABANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		97.018.000-1
Creditor		SCOTIABANK
Creditor country		Chile
Currency		US$
Up to 90 days		$ 76,929
Total		76,929
Nominal Value		$ 74,000
Amortization		At Expiration
Effective rate %		3.08%
Nominal rate %		3.08%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| ITAU One [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		76.645.030-K
Creditor		ITAU
Creditor country		Chile
Currency		US$
Up to 90 days		$ 20,685
Total		20,685
Nominal Value		$ 20,000
Amortization		At Expiration
Effective rate %		4.20%
Nominal rate %		4.20%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Loans To Exporters [Member] \| HSBC One [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		97.951.000-4
Creditor		HSBC
Creditor country		Chile
Currency		US$
Up to 90 days		$ 12,545
Total		12,545
Nominal Value		$ 12,000
Amortization		At Expiration
Effective rate %		4.15%
Nominal rate %		4.15%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Bank Loans [Member] \| CITIBANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	CITIBANK
Creditor country	U.S.A.
Currency	UF
Up to 90 days	$ 60,935
Total	60,935
Nominal Value	$ 60,935
Amortization	At Expiration
Effective rate %	3.10%
Nominal rate %	3.10%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Bank Loans [Member] \| CORP BANCA [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	97.023.000-9	97.023.000-9
Creditor	CORPBANCA	CORPBANCA
Creditor country	Chile	Chile
Currency	UF	UF
Up to 90 days	$ 10,236	$ 11,631
Total	10,236	11,631
Nominal Value	$ 10,106	$ 11,255
Amortization	Quarterly	Quarterly
Effective rate %	3.35%	3.35%
Nominal rate %	3.35%	3.35%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Bank Loans [Member] \| SANTANDER [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	SANTANDER	SANTANDER
Creditor country	Spain	Spain
Currency	US$	US$
Up to 90 days	$ 751	$ 3,323
More than 90 days to one year	2,604	2,678
More than one to three years	106,939	139,459
Total	110,294	145,460
Nominal Value	$ 106,427	$ 139,459
Amortization	Quarterly	Quarterly
Effective rate %	2.80%	2.80%
Nominal rate %	2.80%	2.80%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Bank Loans [Member] \| BTG [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		76.362.099-9
Creditor		BTG
Creditor country		Chile
Currency		UF
Up to 90 days		$ 2,104
More than 90 days to one year		68,920
Total		71,024
Nominal Value		$ 67,868
Amortization		At Expiration
Effective rate %		3.10%
Nominal rate %		3.10%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Obligations with the public [Member] \| BANCO ESTADO [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	97.030.000-7	97.030.000-7
Creditor	BANCO ESTADO	BANCO ESTADO
Creditor country	Chile	Chile
Currency	UF	UF
Up to 90 days	$ 36,171	$ 23,210
More than 90 days to one year	179,601	26,857
More than one to three years	31,461	217,555
More than three to five years	31,461	35,041
More than five years	369,537	429,101
Total	648,231	731,764
Nominal Value	$ 502,897	$ 560,113
Amortization	At Expiration	At Expiration
Effective rate %	4.81%	4.81%
Nominal rate %	4.81%	4.81%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Obligations with the public [Member] \| BANK OF NEWYORK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	BANK OF NEW YORK	BANK OF NEW YORK
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 184,188	$ 80,063
More than 90 days to one year	104,125	76,125
More than one to three years	884,188	208,250
More than three to five years	856,000	836,063
More than five years		828,000
Total	2,028,501	2,028,501
Nominal Value	$ 1,500,000	$ 1,500,000
Amortization	At Expiration	At Expiration
Effective rate %	7.16%	7.16%
Nominal rate %	6.94%	6.94%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Guarantee Obligation [Member] \| BNP PARIBAS [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	BNP PARIBAS
Creditor country	U.S.A.
Currency	US$
Up to 90 days	$ 17,182
More than 90 days to one year	19,425
More than one to three years	40,087
More than three to five years	41,862
More than five years	95,475
Total	214,031
Nominal Value	$ 198,475
Amortization	Quarterly
Effective rate %	1.48%
Nominal rate %	1.48%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Guarantee Obligation [Member] \| MUFG [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	MUFG
Creditor country	U.S.A.
Currency	US$
Up to 90 days	$ 29,652
More than 90 days to one year	17,921
More than one to three years	36,660
More than three to five years	37,829
More than five years	55,297
Total	177,359
Nominal Value	$ 166,712
Amortization	Quarterly
Effective rate %	1.64%
Nominal rate %	1.64%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Guarantee Obligation [Member] \| WILMINGTON TRUST COMPANY [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	WILMINGTON TRUST COMPANY
Creditor country	U.S.A.
Currency	US$
Up to 90 days	$ 933
More than 90 days to one year	4,990
More than one to three years	29,851
More than three to five years	36,337
More than five years	89,263
Total	161,374
Nominal Value	$ 144,358
Amortization	Quarterly / Monthly
Effective rate %	3.17%
Nominal rate %	1.60%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| CITIBANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	CITIBANK	CITIBANK
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 613,419	$ 3,405
More than 90 days to one year		10,404
More than one to three years		603,443
Total	613,419	617,252
Nominal Value	$ 600,000	$ 600,000
Amortization	At Expiration	At Expiration
Effective rate %	2.00%	2.27%
Nominal rate %	2.00%	2.27%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| MUFG [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	MUFG	MUFG
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 8,150	$ 87,611
More than 90 days to one year	46,746	74,852
More than one to three years	94,062	119,460
More than three to five years	14,757	19,950
Total	163,715	301,873
Nominal Value	$ 156,933	$ 291,519
Amortization	Quarterly	Quarterly
Effective rate %	1.72%	2.67%
Nominal rate %	1.72%	2.67%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| CREDIT AGRICOLE [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	CREDIT AGRICOLE
Creditor country	France
Currency	US$
Up to 90 days	$ 273,199
Total	273,199
Nominal Value	$ 273,199
Amortization	At Expiration
Effective rate %	1.82%
Nominal rate %	1.82%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| Bank of Utah [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	BANK OF UTAH	BANK OF UTAH
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
More than 90 days to one year	$ 1,858,051
More than one to three years		$ 952,990
Total	1,858,051	952,990
Nominal Value	$ 1,644,876	$ 793,003
Amortization	At Expiration	At Expiration
Effective rate %	22.71%	22.19%
Nominal rate %	12.97%	1319.00%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| EXIM BANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	EXIM BANK
Creditor country	U.S.A.
Currency	US$
Up to 90 days	$ 271
More than 90 days to one year	1,173
More than one to three years	3,375
More than three to five years	10,546
More than five years	55,957
Total	71,322
Nominal Value	$ 62,890
Amortization	Quarterly
Effective rate %	1.84%
Nominal rate %	1.84%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Other Guaranteed Obligations [Member] \| Credit Agricole [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		CREDIT AGRICOLE
Creditor country		France
Currency		US$
Up to 90 days		$ 1,347
More than 90 days to one year		275,773
Total		277,120
Nominal Value		$ 273,199
Amortization		At Expiration
Effective rate %		1.92%
Nominal rate %		1.92%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| CITIBANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	CITIBANK	CITIBANK
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 19,268	$ 79,117
More than 90 days to one year	59,522	61,983
More than one to three years	5,721	118,372
More than three to five years		46,115
More than five years		19,118
Total	84,511	324,705
Nominal Value	$ 83,985	$ 312,792
Amortization	Quarterly	Quarterly
Effective rate %	1.37%	2.58%
Nominal rate %	0.79%	1.77%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| SANTANDER [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		97.036.000-K
Creditor		SANTANDER
Creditor country		Chile
Currency		US$
Up to 90 days		$ 21,551
More than 90 days to one year		17,851
More than one to three years		26,308
Total		65,710
Nominal Value		$ 65,247
Amortization		Quarterly
Effective rate %		1.30%
Nominal rate %		0.76%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| BNP PARIBAS [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	BNP PARIBAS	BNP PARIBAS
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 7,351	$ 14,851
More than 90 days to one year	26,519	2,343
More than one to three years	21,685	793
Total	55,555	17,987
Nominal Value	$ 54,918	$ 17,951
Amortization	Quarterly	Quarterly
Effective rate %	1.56%	1.81%
Nominal rate %	0.96%	1.41%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| CREDIT AGRICOLE [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	CREDIT AGRICOLE	CREDIT AGRICOLE
Creditor country	France	France
Currency	US$	US$
Up to 90 days	$ 699	$ 13,889
More than 90 days to one year	1,387	2,057
More than one to three years		2,062
Total	2,086	18,008
Nominal Value	$ 2,052	$ 17,961
Amortization	Quarterly	Quarterly
Effective rate %	3.68%	1.99%
Nominal rate %	3.23%	1.54%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| EXIM BANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	EXIM BANK
Creditor country	U.S.A.
Currency	US$
Up to 90 days	$ 2,758
More than 90 days to one year	11,040
More than one to three years	61,167
More than three to five years	249,466
More than five years	269,087
Total	593,518
Nominal Value	$ 533,127
Amortization	Quarterly
Effective rate %	2.88%
Nominal rate %	2.03%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| NATIXIS One [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E
Creditor	NATIXIS
Creditor country	France
Currency	US$
Up to 90 days	$ 5,929
More than 90 days to one year	34,328
More than one to three years	59,574
More than three to five years	59,930
More than five years	130,131
Total	289,892
Nominal Value	$ 261,458
Amortization	Quarterly
Effective rate %	2.09%
Nominal rate %	2.09%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| US BANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	US BANK	US BANK
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 18,158	$ 60,527
More than 90 days to one year	72,424	54,611
More than one to three years	133,592	144,670
More than three to five years	6,573	86,076
Total	230,747	345,884
Nominal Value	$ 219,667	$ 327,419
Amortization	Quarterly	Quarterly
Effective rate %	4.03%	4.00%
Nominal rate %	2.84%	2.82%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| PK AirFinance [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E	0-E
Creditor	PK AIRFINANCE	PK AIRFINANCE
Creditor country	U.S.A.	U.S.A.
Currency	US$	US$
Up to 90 days	$ 853	$ 4,624
More than 90 days to one year	5,763	12,202
More than one to three years	10,913	3,153
Total	17,529	19,979
Nominal Value	$ 16,851	$ 19,522
Amortization	Quarterly	Monthly
Effective rate %	1.88%	1.98%
Nominal rate %	1.88%	1.98%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| ING [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		ING
Creditor country		U.S.A.
Currency		US$
Up to 90 days		$ 5,965
Total		5,965
Nominal Value		$ 5,965
Amortization		Quarterly
Effective rate %		5.71%
Nominal rate %		5.01%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| PEFCO [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		PEFCO
Creditor country		U.S.A.
Currency		US$
Up to 90 days		$ 1,926
Total		1,926
Nominal Value		$ 1,926
Amortization		Quarterly
Effective rate %		5.65%
Nominal rate %		5.03%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| WELLS FARGO [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		WELLS FARGO
Creditor country		U.S.A.
Currency		US$
Up to 90 days		$ 114,952
More than 90 days to one year		104,946
More than one to three years		237,945
More than three to five years		99,232
Total		557,075
Nominal Value		$ 541,406
Amortization		Quarterly
Effective rate %		2.43%
Nominal rate %		1.74%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| RRPF ENGINE LEASING [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		RRPF ENGINE LEASING
Creditor country		England
Currency		US$
Up to 90 days		$ 4,093
More than 90 days to one year		3,382
More than one to three years		8,826
More than three to five years		4,870
Total		21,171
Nominal Value		$ 18,489
Amortization		Monthly
Effective rate %		4.01%
Nominal rate %		4.01%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Financial lease [Member] \| APPLE BANK [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.		0-E
Creditor		APPLE BANK
Creditor country		U.S.A.
Currency		US$
Up to 90 days		$ 4,589
More than 90 days to one year		4,763
More than one to three years		12,977
More than three to five years		755
Total		23,084
Nominal Value		$ 22,730
Amortization		Quarterly
Effective rate %		1.61%
Nominal rate %		1.01%
LATAM Airlines Group S.A. and Subsidiaries [Member] \| Others loans [Member] \| OTHERS [Member]
FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity [Line Items]
Tax No.	0-E

FINANCIAL RISK MANAGEMENT (Details) - Schedule of class of liability for the analysis of liquidity risk ordered by date of maturity - USD ($)
$ in Thousands