XML 60 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Consolidating Financial Information of Guarantors and Issuers (Details) - Unsecured Debt [Member]
Mar. 31, 2019
Condensed Financial Statements, Captions [Line Items]  
Subsidiary ownership percentage, guaranteeing notes 100.00%
Subsidiary guarantor ownership percentage 100.00%