COMMITMENTS AND CONTINGENCIES 9 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2021
Final COH Proposal [Member] | Initial Payment [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Cash Received By Honeywell		$ 375
Final COH Proposal [Member] | Year One After Effective Date of Plan [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Cash Received By Honeywell		35
Final COH Proposal [Member] | Years Two Through Nine After Effective Date of Plan [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Cash Received By Honeywell		100
Final COH Proposal [Member] | Garrett Indemnification And Reimbursement Receivables [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Indemnity and reimbursement receivable recorded In Other Current Assets		10
Indemnity and reimbursement receivable recorded In Other Assets		$ 949
Original Due Date April 1, 2020 [Member] | Garrett Indemnification And Reimbursement Receivables [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Reimbursements from indemnification and reimbursement agreement	$ 18
Original Due Date May 1, 2020 [Member] | Garrett Indemnification And Reimbursement Receivables [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Reimbursements from indemnification and reimbursement agreement	$ 2