CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 4,235	$ 4,091
Cost of goods sold	2,567	2,457
Gross profit	1,668	1,634
Selling, general and administrative expenses	999	954
Operating earnings	669	680
Other expense (income):
Interest expense – net	21	24
Other – net	(7)	(6)
Total other expense – net	14	18
Earnings before income taxes	655	662
Income tax provision	158	154
Net earnings	497	508
Less net earnings attributable to noncontrolling interest	19	20
Net earnings attributable to W.W. Grainger, Inc.	$ 478	$ 488
Earnings per share:
Basic (in dollars per share)	$ 9.65	$ 9.66
Diluted (in dollars per share)	$ 9.62	$ 9.61
Weighted average number of shares outstanding:
Basic (in shares)	49.2	50.2
Diluted (in shares)	49.4	50.5

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://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1