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Segment and Other Information
 12 Months Ended
Aug. 31, 2023
Segment Reporting [Abstract]  
Segment and Other Information
Segment and Other Information

Segment information reported herein is consistent with how it is reviewed and evaluated by our chief operating decision maker. We have the following four business units, which are our reportable segments:

Compute and Networking Business Unit (“CNBU”): Includes memory products and solutions sold into client, cloud server, enterprise, graphics, and networking markets.
Mobile Business Unit (“MBU”): Includes memory and storage products sold into smartphone and other mobile-device markets.
Embedded Business Unit (“EBU”): Includes memory and storage products and solutions sold into automotive, industrial, and consumer markets.
Storage Business Unit (“SBU”): Includes SSDs and component-level solutions sold into enterprise and cloud, client, and consumer storage markets.

Certain operating expenses directly associated with the activities of a specific segment are charged to that segment. Other indirect operating income and expenses are generally allocated to segments based on their respective percentage of cost of goods sold or forecasted wafer production. We do not identify or report internally our assets (other than goodwill) or capital expenditures by segment, nor do we allocate gains and losses from equity method investments, interest, other non-operating income or expense items, or taxes to segments.
For the year ended202320222021
Revenue
CNBU$5,710 $13,693 $12,280 
MBU3,630 7,260 7,203 
EBU3,637 5,235 4,209 
SBU2,553 4,553 3,973 
All Other10 17 40 
$15,540 $30,758 $27,705 
Operating income (loss)
CNBU$(585)$5,844 $4,295 
MBU(1,750)2,160 2,173 
EBU382 1,752 1,006 
SBU(1,887)513 173 
All Other8 12 20 
(3,832)10,281 7,667 
Unallocated
Provision to write down inventories to net realizable value(1,831)— — 
Lower costs from sale of inventory written down in prior periods844 — — 
Stock-based compensation(564)(501)(395)
Inventory accounting policy change to FIFO— — (133)
Change in inventory cost absorption— — (160)
3D XPoint inventory write-down— — (49)
Restructure and asset impairments(171)(48)(488)
Goodwill impairment
(101)— — 
Litigation settlement(68)— — 
Patent license charges— — (128)
Other(22)(30)(31)
(1,913)(579)(1,384)
Operating income (loss)
$(5,745)$9,702 $6,283 

Depreciation and amortization expense included in operating income (loss) was as follows:
For the year ended202320222021
CNBU$2,512 $2,766 $2,497 
MBU2,149 1,725 1,553 
EBU1,324 1,280 1,028 
SBU1,751 1,323 1,101 
All Other1 2 8 
Unallocated19 20 27 
$7,756 $7,116 $6,214