Restructuring and Related Activities (Details) - USD ($) $ in Millions	3 Months Ended		39 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021
Restructuring Cost and Reserve
Asset impairments	$ 3	$ 0
Provision for income taxes	(147)	(197)
2018 Global Restructuring Program
Restructuring Cost and Reserve
Provision for income taxes	(7)	(18)
2018 Global Restructuring Program | Charges for workforce reductions
Restructuring Cost and Reserve
Restructuring Charges	(26)	(50)
2018 Global Restructuring Program | Before Tax
Restructuring Cost and Reserve
Restructuring Charges	(34)	(93)	$ (1,900)
2018 Global Restructuring Program | After Tax
Restructuring Cost and Reserve
Restructuring Charges	(27)	(75)	$ (1,400)
2018 Global Restructuring Program | After Tax | Equity Companies and Noncontrolling Interests
Restructuring Cost and Reserve
Restructuring Charges	1	1
2018 Global Restructuring Program | After Tax | Kimberly-Clark Corporation
Restructuring Cost and Reserve
Restructuring Charges	(26)	(74)
2018 Global Restructuring Program | Cost of Sales | Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	(2)	0
Asset impairments	3	0
Incremental depreciation	4	35
Other exit costs	19	29
Restructuring Charges	(25)	(70)
2018 Global Restructuring Program | Cost of Sales | Before Tax | Asset write-offs
Restructuring Cost and Reserve
Restructuring Charges	(1)	(6)
2018 Global Restructuring Program | Marketing, Research and General Expenses | Before Tax
Restructuring Cost and Reserve
Charges (adjustments) for workforce reductions	(2)	(3)
Other exit costs	11	26
Restructuring Charges	(9)	(23)
2018 Global Restructuring Program | Other Income | Before Tax
Restructuring Cost and Reserve
Restructuring Charges	$ 0	$ 0