Consolidated Statement Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 594	$ 675
Other Comprehensive Income (Loss), Net of Tax
Unrealized currency translation adjustments	(215)	(399)
Employee postretirement benefits	18	34
Other	36	32
Total Other Comprehensive Income (Loss), Net of Tax	(161)	(333)
Comprehensive Income	433	342
Comprehensive income attributable to noncontrolling interests	(3)	(3)
Comprehensive Income Attributable to Kimberly-Clark Corporation	$ 430	$ 339