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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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Acquisition Narrative (Details) - USD ($) $ in Millions				3 Months Ended		9 Months Ended
Acquisition Narrative (Details) - USD ($) $ in Millions	Jul. 01, 2024	Jun. 01, 2023	Feb. 24, 2022	Dec. 31, 2023	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Payments to Noncontrolling Interests						$ 0	$ 48
Sale of Brazil tissue assets
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Proceeds from Divestiture of Businesses		$ 212
Proceeds from Divestiture of Businesses		212
K-C Professional - Personal protective equipment business [Member]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Costs Related to Divestiture	$ 14
Proceeds from Divestiture of Businesses	635
Divestiture Base Purchase Price	640
Closing Date Adjustmen	(5)
Proceeds from Divestiture of Businesses	635
Costs Related to Divestiture	14
Closing Date Adjustmen	(5)
Before Tax \| Sale of Brazil tissue assets
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Gain (Loss) on Disposition of Business		74
Costs Related to Divestiture		30
Divestiture Net Benefit		44
Gain (Loss) on Disposition of Business		74
Costs Related to Divestiture		30
Divestiture Net Benefit		44
Before Tax \| K-C Professional - Personal protective equipment business [Member]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Gain (Loss) on Disposition of Business	566
Gain (Loss) on Disposition of Business	566
After Tax \| Sale of Brazil tissue assets
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Divestiture Net Benefit		26
Divestiture Net Benefit		$ 26
After Tax \| K-C Professional - Personal protective equipment business [Member]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Gain (Loss) on Disposition of Business	453
Gain (Loss) on Disposition of Business	$ 453
Thinx Inc
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Line Items]
Business Combination, Consideration Transferred			$ 181
Sale of Stock, Percentage of Ownership after Transaction			58.00%
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions				30.00%	70.00%
Payments to Noncontrolling Interests				$ 47	$ 48