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, 2018
Dec. 31, 2017
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived $ 4,943 $ 4,578
Accumulated Amortization $ (2,867) (2,614)
Weighted- Average Amortization Period (in years) 7 years 8 months 12 days  
Accumulated Amortization $ (2,867) (2,614)
Net Carrying Value 2,075 1,964
Trademarks, patents, and other [Member] [Member]    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 52 71
Accumulated Amortization $ (31) (37)
Weighted- Average Amortization Period (in years) 5 years 9 months 18 days  
Accumulated Amortization $ (31) (37)
Net Carrying Value 20 34
Capitalized software    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 3,693 3,273
Accumulated Amortization $ (2,478) (2,310)
Weighted- Average Amortization Period (in years) 6 years 10 months 24 days  
Accumulated Amortization $ (2,478) (2,310)
Net Carrying Value 1,215 963
Customer relationships    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 736 776
Accumulated Amortization $ (217) (160)
Weighted- Average Amortization Period (in years) 10 years 6 months  
Accumulated Amortization $ (217) (160)
Net Carrying Value 519 616
Trade Names    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 200 200
Net Carrying Value 200 200
Franchise rights    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 145 144
Accumulated Amortization $ (105) (97)
Weighted- Average Amortization Period (in years) 20 years  
Accumulated Amortization $ (105) (97)
Net Carrying Value 40 47
Licenses    
Intangible Assets by Major Class [Line Items]    
Gross Carrying Amount, Finite-lived 117 114
Accumulated Amortization $ (36) (10)
Weighted- Average Amortization Period (in years) 3 years 10 months 24 days  
Accumulated Amortization $ (36) (10)
Net Carrying Value $ 81 $ 104