CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 3,942	$ 3,372	$ 11,426	$ 9,663
Cost of goods sold	2,423	2,122	7,083	6,196
Gross profit	1,519	1,250	4,343	3,467
Selling, general and administrative expenses	916	812	2,672	2,337
Operating earnings	603	438	1,671	1,130
Other (income) expense:
Interest expense – net	25	22	70	65
Other – net	(9)	(6)	(20)	(19)
Total other expense – net	16	16	50	46
Earnings before income taxes	587	422	1,621	1,084
Income tax provision	145	107	405	271
Net earnings	442	315	1,216	813
Less net earnings attributable to noncontrolling interest	16	18	53	53
Net earnings attributable to W.W. Grainger, Inc.	$ 426	$ 297	$ 1,163	$ 760
Earnings per share:
Basic (in dollars per share)	$ 8.31	$ 5.68	$ 22.64	$ 14.48
Diluted (in dollars per share)	$ 8.27	$ 5.65	$ 22.52	$ 14.40
Weighted average number of shares outstanding:
Basic (in shares)	50.8	51.8	51.0	52.1
Diluted (in shares)	51.1	52.1	51.3	52.4

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227