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Unaudited Quarterly Financial Information Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Sep. 30, 2019

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Information

	Unaudited Quarterly Financial Information
	2019
	First				Second				Third				Fourth				Total
Operating revenues	$	2,725			$	2,750			$	2,604			$	3,239			$	11,318
Operating expenses	1,960				2,158				2,088				2,301				8,507
Operating income	765				592				516				938				2,811
Net income (loss)	423				241				165				588				1,417

	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				2,745				8,665
Operating income	598				765				765				440				2,568
Net income (loss)	288				462				470				(101		)		1,119

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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=118952077&loc=d3e1280-108306

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