XML 108 R92.htm IDEA: XBRL DOCUMENT v3.10.0.1
Operating Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Leases      
Rent expense attributable to warehouse, office buildings and equipment operating leases $ 91 $ 91 $ 80
Minimum future rentals under operating leases      
2019 69    
2020 53    
2021 41    
2022 36    
2023 29    
2024 and thereafter $ 40