Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS - Summary of Intangible Assets (Detail)

v3.21.2
GOODWILL AND INTANGIBLE ASSETS - Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount $ 5,910   $ 5,910   $ 5,743
Accumulated Amortization (3,672)   (3,672)   (3,469)
Net Carrying Value 2,238   2,238   2,274
Impairment of finite lived intangible assets 1 $ 4 7 $ 4  
Licenses          
Finite-Lived Intangible Assets [Line Items]          
Carrying value 5   5    
Trade name          
Finite-Lived Intangible Assets [Line Items]          
Carrying value 200   200    
Capitalized software          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 4,689   4,689   4,531
Accumulated Amortization (3,111)   (3,111)   (2,962)
Net Carrying Value 1,578   1,578   1,569
Licenses          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 101   101   100
Accumulated Amortization (52)   (52)   (37)
Net Carrying Value 49   49   63
Franchise rights          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 170   170   165
Accumulated Amortization (115)   (115)   (113)
Net Carrying Value 55   55   52
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 728   728   729
Accumulated Amortization (378)   (378)   (344)
Net Carrying Value 350   350   385
Trade name          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 200   200   200
Accumulated Amortization 0   0   0
Net Carrying Value 200   200   200
Trademarks, patents and other          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 22   22   18
Accumulated Amortization (16)   (16)   (13)
Net Carrying Value $ 6   $ 6   $ 5