XML 53 R40.htm IDEA: XBRL DOCUMENT v3.19.1
SHORT-TERM AND LONG-TERM DEBT - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Line of Credit [Member]    
Debt Instrument [Line Items]    
Outstanding lines of credit $ 52 $ 49