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Restructuring and Related Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		45 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021
Restructuring Cost and Reserve
Asset impairments			$ 3	$ 0
Provision for income taxes	$ (126)	$ (114)	(386)	(510)
2018 Global Restructuring Program
Restructuring Cost and Reserve
Provision for income taxes	(16)	(50)	(48)	(83)
2018 Global Restructuring Program \| Charges for workforce reductions
Restructuring Cost and Reserve
Restructuring Charges			(145)	(162)
2018 Global Restructuring Program \| Before Tax
Restructuring Cost and Reserve
Restructuring Charges	(97)	(157)	(250)	(337)	$ (2,100)
2018 Global Restructuring Program \| After Tax
Restructuring Cost and Reserve
Restructuring Charges	(81)	(107)	(202)	(254)	$ (1,600)
2018 Global Restructuring Program \| After Tax \| Equity Companies and Noncontrolling Interests
Restructuring Cost and Reserve
Restructuring Charges	2	0	3	1
2018 Global Restructuring Program \| After Tax \| Kimberly-Clark Corporation
Restructuring Cost and Reserve
Restructuring Charges	(79)	(107)	(199)	(253)
2018 Global Restructuring Program \| Cost of Sales \| Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	5	15	3	16
Asset impairments	0	0	3	0
Incremental depreciation	2	18	10	86
Other exit costs	27	24	67	76
Restructuring Charges	(48)	(107)	(98)	(237)
2018 Global Restructuring Program \| Cost of Sales \| Before Tax \| Asset write-offs
Restructuring Cost and Reserve
Restructuring Charges	(14)	(50)	(15)	(59)
2018 Global Restructuring Program \| Marketing, Research and General Expenses \| Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	16	1	30	(1)
Other exit costs	23	24	48	76
Restructuring Charges	(39)	(25)	(78)	(75)
2018 Global Restructuring Program \| Other Income \| Before Tax
Restructuring Cost and Reserve
Restructuring Charges	$ (1)	$ 1	$ (9)	$ 1