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OTHER INFORMATION - Components of Accumulated Other Comprehensive Loss, Net of Tax (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
May 01, 2019
Dec. 31, 2018
Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Total accumulated other comprehensive income (loss) $ 1,050,817 $ 2,945,441 $ 2,779,115 $ (11,560,342) $ (11,344,344)
Cumulative currency translation adjustment          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Total accumulated other comprehensive income (loss) 194 (750)      
Cumulative other adjustments          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Total accumulated other comprehensive income (loss) 0 0      
Total accumulated other comprehensive income (loss)          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Total accumulated other comprehensive income (loss) $ 194 $ (750) $ 0 $ (318,030) $ (313,718)