Property, Plant and Equipment (Tables)

12 Months Ended

Aug. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Components of Property, Plant and Equipment

Estimated useful lives for major classes of depreciable assets are as follows:

Asset Class	Estimated Useful Life
Buildings	Up to 35 years
Leasehold improvements	Shorter of lease term or useful life of the improvement
Machinery and equipment	2 to 10 years
Furniture, fixtures and office equipment	5 years
Computer hardware and software	3 to 7 years
Transportation equipment	3 years

Property, plant and equipment consists of the following (in millions):

	August 31, 2021		August 31, 2020
Land and improvements	$	143	$	142
Buildings	1,216		1,152
Leasehold improvements	1,249		1,144
Machinery and equipment	5,216		4,686
Furniture, fixtures and office equipment	234		222
Computer hardware and software	819		760
Transportation equipment	9		9
Construction in progress	222		76
	9,108		8,191
Less accumulated depreciation and amortization	5,033		4,526
	$	4,075	$	3,665

Schedule of Depreciation and Maintenance and Repair Expenses

Depreciation and maintenance and repair expenses were as follows for the periods indicated (in millions):

	Fiscal Year Ended August 31,
	2021		2020		2019
Depreciation expense	$	828	$	739	$	740
Maintenance and repair expense	$	381	$	334	$	288