Consolidated Income Statement - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Net Sales	$ 4,722	$ 4,612	$ 9,465	$ 9,621
Cost of products sold	3,242	2,835	6,396	6,053
Gross Profit	1,480	1,777	3,069	3,568
Marketing, research and general expenses	854	844	1,669	1,717
Other (income) and expense, net	13	8	17	22
Operating Profit	613	925	1,383	1,829
Nonoperating expense	(55)	(6)	(61)	(17)
Interest income	2	2	3	4
Interest expense	(65)	(65)	(128)	(126)
Income Before Income Taxes and Equity Interests	495	856	1,197	1,690
Provision for income taxes	(113)	(199)	(260)	(396)
Income Before Equity Interests	382	657	937	1,294
Share of net income of equity companies	28	35	67	73
Net income	410	692	1,004	1,367
Net income attributable to noncontrolling interests	(6)	(11)	(16)	(26)
Net Income Attributable to Kimberly-Clark Corporation	$ 404	$ 681	$ 988	$ 1,341
Per Share Basis
Basic	$ 1.20	$ 2.00	$ 2.92	$ 3.93
Diluted	$ 1.19	$ 1.99	$ 2.92	$ 3.92