Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Apr. 16, 2021
Entity Information [Line Items]
Document Fiscal Year Focus	2021
Amendment Flag	false
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	1-225
Entity Registrant Name	KIMBERLY CLARK CORPORATON
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	39-0394230
Entity Address, Address Line One	P.O. Box 619100
Entity Address, City or Town	Dallas,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75261-9100
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Large Accelerated Filer
City Area Code	972
Local Phone Number	281-1200
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Central Index Key	0000055785
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Entity Common Stock, Shares Outstanding		337,431,588
Common Stock | NEW YORK STOCK EXCHANGE, INC.
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	Common Stock
Trading Symbol	KMB
0.625% Notes Due 2024 [Member] | NEW YORK STOCK EXCHANGE, INC.
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	0.625% Notes due 2024
Trading Symbol	KMB24