共通費
Common expenses
Common expenses
Distribution facilities
Administrative expenses
Amortization of capitalized research expenditures
Facilities loaned
Non-current assets retirement costs
Other electric utility plant and equipment
Other intangible assets
Non-current assets – incidental business
Other investments in subsidiaries and associates
Current portion of non-current liabilities
Current portion of long-term borrowings from subsidiaries and associates
Operating revenue and expenses from telecommunications business
Business expenses
Voice communications
Digital data transmission services
Private line
Property, plant and equipment, gross
Operating expenses
Facilities maintenance expenses
Inactive facilities