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Restructuring and Related Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		33 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020
Restructuring Cost and Reserve
Provision for income taxes	$ (114)	$ (192)	$ (510)	$ (467)
2018 Global Restructuring Program
Restructuring Cost and Reserve
Provision for income taxes	(50)	23	(83)	(35)
2018 Global Restructuring Program \| Charges for workforce reductions
Restructuring Cost and Reserve
Restructuring Charges			(162)	(159)
2018 Global Restructuring Program \| Before Tax
Restructuring Cost and Reserve
Restructuring Charges	(157)	56	(337)	(215)	$ (1,700)
2018 Global Restructuring Program \| After Tax
Restructuring Cost and Reserve
Restructuring Charges	(107)	33	(254)	(180)	$ (1,300)
2018 Global Restructuring Program \| After Tax \| Equity Companies and Noncontrolling Interests
Restructuring Cost and Reserve
Restructuring Charges	0	0	1	(1)
2018 Global Restructuring Program \| After Tax \| Kimberly-Clark Corporation
Restructuring Cost and Reserve
Restructuring Charges	(107)	33	(253)	(181)
2018 Global Restructuring Program \| Cost of Sales \| Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	15	1	16	33
Incremental depreciation	18	57	86	189
Other exit costs	24	28	76	64
Restructuring Charges	(107)	(104)	(237)	(331)
2018 Global Restructuring Program \| Cost of Sales \| Before Tax \| Asset write-offs
Restructuring Cost and Reserve
Restructuring Charges	(50)	(18)	(59)	(45)
2018 Global Restructuring Program \| Marketing, Research and General Expenses \| Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	1	(4)	(1)	(12)
Other exit costs	24	25	76	78
Restructuring Charges	(25)	(21)	(75)	(66)
2018 Global Restructuring Program \| Other Income \| Before Tax
Restructuring Cost and Reserve
Restructuring Charges	1	181	1	182
2018 Global Restructuring Program \| Nonoperating expense \| Before Tax
Restructuring Cost and Reserve
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	$ 26	$ 0	$ 26	$ 0