Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES - PURCHASE COMMITMENTS AND OPERATING LEASES (Details)

v3.10.0.1
COMMITMENTS AND CONTINGENCIES - PURCHASE COMMITMENTS AND OPERATING LEASES (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
COMMITMENTS AND CONTINGENCIES      
Minimum contracts period which require minimum volume purchases 1 year    
Minimum payments under purchase commitments $ 0 $ 0 $ 1
Purchase commitments:      
2019 1,424    
2020 855    
2021 666    
2022 629    
2023 414    
Thereafter 1,794    
Total 5,782    
Operating Leases      
Rent expense 76 80 81
Sublease rentals 2 $ 2 $ 2
Future minimum lease payments      
2019 59    
2020 53    
2021 52    
2022 49    
2023 45    
Thereafter 234    
Total $ 492