Text Block Comparison: Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block] (us-gaap:ScheduleOfInvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTableTextBlock)

Documentation: A tabular presentation of the information summarizing investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates, as prescribed by the SEC. It reflects specified information about ownership, financial results from, and financial position in such entities. Includes the tabular presentations that disaggregate investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates.

(For last 10-K submitted to SEC as of March 31, 2018)