DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION	12 Months Ended
Dec. 31, 2019
DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION
DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION	1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Description of the Business—Alliance Data Systems Corporation (“ADSC” or, including its consolidated subsidiaries and variable interest entities, the “Company”) is a leading global provider of data-driven marketing and loyalty solutions serving large, consumer-based businesses. The Company captures and analyzes data created during each customer interaction, leveraging the insight derived from that data to enable clients to identify and acquire new customers and enhance customer loyalty. The Company operates in two reportable segments: LoyaltyOne^® and Card Services. LoyaltyOne provides coalition and short-term loyalty programs through the Canadian AIR MILES^® Reward Program and BrandLoyalty Group B.V. (“BrandLoyalty”). Card Services encompasses credit card processing, billing and payment processing, customer care and collections services for private label retailers as well as private label and co-brand retail credit card and loan receivables financing, including securitization and other funding of certain credit card and loan receivables that it underwrites from its private label and co-brand retail credit card programs. Basis of Presentation—For purposes of comparability, certain prior period amounts have been reclassified to conform to the current year presentation in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The Company’s consolidated financial statements have been presented with its former Epsilon^® segment as a discontinued operation. See Note 6, “Discontinued Operations,” for more information.

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

12 Months Ended

Dec. 31, 2019

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

Description of the Business—Alliance Data Systems Corporation (“ADSC” or, including its consolidated subsidiaries and variable interest entities, the “Company”) is a leading global provider of data-driven marketing and loyalty solutions serving large, consumer-based businesses. The Company captures and analyzes data created during each customer interaction, leveraging the insight derived from that data to enable clients to identify and acquire new customers and enhance customer loyalty. The Company operates in two reportable segments: LoyaltyOne^® and Card Services. LoyaltyOne provides coalition and short-term loyalty programs through the Canadian AIR MILES^® Reward Program and BrandLoyalty Group B.V. (“BrandLoyalty”). Card Services encompasses credit card processing, billing and payment processing, customer care and collections services for private label retailers as well as private label and co-brand retail credit card and loan receivables financing, including securitization and other funding of certain credit card and loan receivables that it underwrites from its private label and co-brand retail credit card programs.

Basis of Presentation—For purposes of comparability, certain prior period amounts have been reclassified to conform to the current year presentation in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The Company’s consolidated financial statements have been presented with its former Epsilon^® segment as a discontinued operation. See Note 6, “Discontinued Operations,” for more information.