CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 3,837	$ 3,207	$ 7,484	$ 6,291
Cost of goods sold	2,396	2,083	4,660	4,074
Gross profit	1,441	1,124	2,824	2,217
Selling, general and administrative expenses	907	790	1,756	1,525
Operating earnings	534	334	1,068	692
Other (income) expense:
Interest expense – net	22	22	45	43
Other – net	(5)	(7)	(11)	(13)
Total other expense – net	17	15	34	30
Earnings before income taxes	517	319	1,034	662
Income tax provision	128	76	260	164
Net earnings	389	243	774	498
Less net earnings attributable to noncontrolling interest	18	18	37	35
Net earnings attributable to W.W. Grainger, Inc.	$ 371	$ 225	$ 737	$ 463
Earnings per share:
Basic (in dollars per share)	$ 7.22	$ 4.30	$ 14.33	$ 8.80
Diluted (in dollars per share)	$ 7.19	$ 4.27	$ 14.26	$ 8.76
Weighted average number of shares outstanding:
Basic (in shares)	51.0	52.2	51.1	52.2
Diluted (in shares)	51.3	52.5	51.4	52.5

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://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 http://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 http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227