Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Shares Used in Computing Basic and Diluted Earnings Per Share

Shares used in computing basic and diluted earnings per share are as follows:

(Thousands of shares)	2020	2019	2018
Weighted-average common shares outstanding for basic computation (a)	208,928	178,417	173,908
Incremental shares issuable for stock options and common stock awards (b)	941	2,694	2,997
Weighted-average common shares outstanding for diluted computation	209,869	181,111	176,905

(a)Fiscal 2019 includes the partial-year impact from the August 2019 issuance of 34,613 shares of UGI Common Stock in connection with the AmeriGas Merger (see Note 5).

(b)For Fiscal 2020 and Fiscal 2019, there were 7,056 shares and 1,162 shares, respectively, associated with outstanding stock option awards that were not included in the computation of diluted earnings per share because their effect was antidilutive.

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Consolidated Balance Sheets to the corresponding amounts reported on the Consolidated Statements of Cash Flows.

	2020		2019		2018		2017
Cash and cash equivalents	$	336	$	447	$	452	$	558
Restricted cash	21		64		10		11
Cash, cash equivalents and restricted cash	$	357	$	511	$	462	$	569

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Consolidated Balance Sheets to the corresponding amounts reported on the Consolidated Statements of Cash Flows.

	2020		2019		2018		2017
Cash and cash equivalents	$	336	$	447	$	452	$	558
Restricted cash	21		64		10		11
Cash, cash equivalents and restricted cash	$	357	$	511	$	462	$	569

Estimated Useful Lives by Type

At September 30, 2020, estimated useful lives by asset type were as follows:

Asset Type	Minimum Estimated Useful Life (in years)	Maximum Estimated Useful Life (in years)
Buildings and improvements	10	40
Equipment, primarily cylinders and tanks	5	30
Electricity generation facilities	25	40
Pipeline and related assets	25	40
Transportation equipment and office furniture and fixtures	3	10
Computer software	1	10

Property, plant and equipment comprise the following at September 30:

	2020		2019
Utility:
Distribution	$	3,630	$	3,366
Transmission	111		106
General and other	425		389
Work in process	99		77
Total Utility	4,265		3,938
Non-utility:
Land	191		184
Buildings and improvements	431		404
Transportation equipment	248		258
Equipment, primarily cylinders and tanks	3,712		3,455
Electric generation	211		327
Pipeline and related assets	1,098		1,150
Other	306		255
Work in process	196		102
Total non-utility	6,393		6,135
Total property, plant and equipment	$	10,658	$	10,073

Average Composite Depreciation Rates

The average composite depreciation rates at our Gas Utility and Electric Utility were as follows:

	2020		2019		2018
Gas Utility	2.5	%	2.2	%	2.3	%
Electric Utility	2.2	%	2.1	%	2.2	%