Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 2,049	$ 2,578	$ 1,764
Other Comprehensive Income (Loss), Net of Tax
Unrealized currency translation adjustments	398	(408)	89
Employee postretirement benefits	16	24	(15)
Cash flow hedges	(92)	188	12
Total Other Comprehensive Income (Loss), Net of Tax	322	(196)	86
Comprehensive Income	2,371	2,382	1,850
Comprehensive (income) loss attributable to noncontrolling interests	(28)	(21)	1
Comprehensive Income Attributable to Kimberly-Clark Corporation	$ 2,343	$ 2,361	$ 1,851