COMMITMENTS AND CONTINGENCIES - Regulatory Matters and Cardholders (Details) $ in Millions		1 Months Ended		12 Months Ended
	Jan. 19, 2021 USD ($) item	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2022
Comenity Bank
Common Equity Tier 1 capital to risk-weighted assets
Common Equity Tier 1 capital ratio, Actual Ratio (as a percent)					0.256
Common Equity Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.045%
Common Equity Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.065%
Banking Regulation, Risk-Based Information [Abstract]
Tier 1 capital ratio, Actual Ratio (as a percent)					0.256
Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.060
Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.080
Total Risk-based capital ratio, Actual Ratio (as a percent)					0.269
Total Risk-based capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.080
Total Risk-based capital ratio, Minimum Ratio to be Well Capitalized under prompt Corrective Action Provisions (as a percent)					0.100
Tier 1 capital to average assets
Tier 1 Leverage capital ratio, Actual Ratio (as a percent)					0.204
Tier 1 Leverage capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.040
Tier 1 Leverage capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.050
Comenity Capital Bank
Common Equity Tier 1 capital to risk-weighted assets
Common Equity Tier 1 capital ratio, Actual Ratio (as a percent)					0.184
Common Equity Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.045%
Common Equity Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.065%
Banking Regulation, Risk-Based Information [Abstract]
Tier 1 capital ratio, Actual Ratio (as a percent)					0.184
Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.060
Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.080
Total Risk-based capital ratio, Actual Ratio (as a percent)					0.197
Total Risk-based capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.080
Total Risk-based capital ratio, Minimum Ratio to be Well Capitalized under prompt Corrective Action Provisions (as a percent)					0.100
Tier 1 capital to average assets
Tier 1 Leverage capital ratio, Actual Ratio (as a percent)					0.161
Tier 1 Leverage capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.040
Tier 1 Leverage capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.050
Combined Banks
Common Equity Tier 1 capital to risk-weighted assets
Common Equity Tier 1 capital ratio, Actual Ratio (as a percent)					0.214
Common Equity Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.045%
Common Equity Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.065%
Banking Regulation, Risk-Based Information [Abstract]
Tier 1 capital ratio, Actual Ratio (as a percent)					0.214
Tier 1 capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.060
Tier 1 capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.080
Total Risk-based capital ratio, Actual Ratio (as a percent)					0.228
Total Risk-based capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.080
Total Risk-based capital ratio, Minimum Ratio to be Well Capitalized under prompt Corrective Action Provisions (as a percent)					0.100
Tier 1 capital to average assets
Tier 1 Leverage capital ratio, Actual Ratio (as a percent)					0.180
Tier 1 Leverage capital ratio, Minimum Ratio for Capital Adequacy Purposes (as a percent)					0.040
Tier 1 Leverage capital ratio, Minimum Ratio to be Well Capitalized under Prompt Corrective Action Provisions (as a percent)					0.050
Discontinued Operations, Disposed of by Sale
Contingencies
Loss Contingency, Loss in Period				$ 150
Epsilon | Discontinued Operations, Disposed of by Sale
Contingencies
Loss contingency, total	$ 150
Number of installment payments | item	2
Loss contingency, payment		$ 75	$ 75