Consolidated Income Statement - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Net Sales	[1]	$ 19,140	$ 18,450	$ 18,486
Cost of products sold		12,318	12,415	12,889
Gross Profit		6,822	6,035	5,597
Marketing, research and general expenses		3,632	3,254	3,367
Other (income) and expense, net	[2]	(54)	(210)	1
Operating Profit		3,244	2,991	2,229
Nonoperating expense		(70)	(91)	(163)
Interest income		8	11	10
Interest expense		(252)	(261)	(263)
Income Before Income Taxes and Equity Interests		2,930	2,650	1,813
Provision for income taxes		(676)	(576)	(471)
Income Before Equity Interests		2,254	2,074	1,342
Share of net income of equity companies		142	123	103
Net income		2,396	2,197	1,445
Net income attributable to noncontrolling interests		(44)	(40)	(35)
Net Income Attributable to Kimberly-Clark Corporation		$ 2,352	$ 2,157	$ 1,410
Per Share Basis
Basic		$ 6.90	$ 6.28	$ 4.05
Diluted		$ 6.87	$ 6.24	$ 4.03

[1] Net sales in the U.S. to third parties totaled $9,679, $9,027 and $8,803 in 2020, 2019 and 2018, respectively. No other individual country's net sales exceeds 10 percent of total net sales.

[2] Other (income) and expense, net for 2020 includes business tax credits of $77 related to a favorable legal ruling that resolved certain matters related to prior years' business taxes in Brazil.. For 2019, it includes income of $31 from a gain on the sale of property associated with a former manufacturing facility that was closed in 2012 as part of a past restructuring, and for 2019 and 2018, it includes income of $194 and $12 related to the 2018 Global Restructuring Program.