Annual report pursuant to Section 13 and 15(d)

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

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GOODWILL AND INTANGIBLE ASSETS - Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived $ 5,347 $ 4,943
Accumulated Amortization $ (3,180) (2,867)
Weighted-Average Amortization Period (in years) 7 years 8 months 12 days  
Accumulated Amortization $ (3,180) (2,867)
Net Carrying Value 2,167 2,075
Trademarks, patents, and other [Member] [Member]    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 29 52
Accumulated Amortization $ (21) (31)
Weighted-Average Amortization Period (in years) 7 years 8 months 12 days  
Accumulated Amortization $ (21) (31)
Net Carrying Value 8 20
Capitalized software    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 4,125 3,693
Accumulated Amortization $ (2,704) (2,478)
Weighted-Average Amortization Period (in years) 6 years 10 months 24 days  
Accumulated Amortization $ (2,704) (2,478)
Net Carrying Value 1,421 1,215
Customer relationships    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 730 736
Accumulated Amortization $ (282) (217)
Weighted-Average Amortization Period (in years) 10 years 7 months 6 days  
Accumulated Amortization $ (282) (217)
Net Carrying Value 448 519
Trade Names    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 200 200
Accumulated Amortization 0 0
Accumulated Amortization 0 0
Net Carrying Value 200 200
Franchise rights    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 146 145
Accumulated Amortization $ (109) (105)
Weighted-Average Amortization Period (in years) 20 years  
Accumulated Amortization $ (109) (105)
Net Carrying Value 37 40
Licenses    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 117 117
Accumulated Amortization $ (64) (36)
Weighted-Average Amortization Period (in years) 3 years 10 months 24 days  
Accumulated Amortization $ (64) (36)
Net Carrying Value $ 53 $ 81