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Unaudited Quarterly Financial Information Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Sep. 30, 2018

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Information

Unaudited Quarterly Financial Information
2018
	First				Second				Third				Fourth				Total
Operating revenues	$	2,549			$	2,792			$	2,707			$	3,185			$	11,233
Operating expenses	1,951				2,027				1,942				3,001				8,921
Operating income	598				765				765				184				2,312
Net income (loss)	288				462				470				(101		)		1,119

Unaudited Quarterly Financial Information
2017
	First				Second				Third				Fourth				Total
Operating revenues	$	2,546			$	2,547			$	2,571			$	3,075			$	10,739
Operating expenses	2,117				2,013				2,010				2,624				8,764
Operating income	429				534				561				451				1,975
Net income (loss)	102				211				233				139				685

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- References

No definition available.

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- Definition

Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306

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