v3.21.1
BASIS OF PRESENTATION, PRINCIPLES OF CONSOLIDATION, AND SIGNIFICANT ACCOUNTING POLICIES - RECONCILIATION OF CASH, CASH EQUIVALENTS, AND RESTRICTED CASH (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 06, 2021
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Payments to acquire business interest $ 35        
Cash and cash equivalents   $ 226 $ 193 $ 352  
Restricted cash included in other current assets   26 2    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows   252 195 $ 381 $ 322
Cash paid for taxes, net of refunds   77 71    
Cash paid for interest expense   $ 85 $ 75