XML 31 R18.htm IDEA: XBRL DOCUMENT
v3.19.1

Earnings Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Earnings Per Share [Abstract] |
Average Common Shares Outstanding Basic and Diluted | The average number of common shares outstanding is reconciled to those used in the basic and diluted EPS computations as follows:
|  | Three Months Ended March 31
(Millions of shares) |  | 2019 |  | 2018
Basic |  | 344.3 |  |  | 350.4 |
Dilutive effect of stock options and restricted share unit awards |  | 1.7 |  |  | 2.2 |
Diluted |  | 346.0 |  |  | 352.6 |

X
- Definition Schedule of average common shares outstanding, basic and diluted [Text Block]. + References No definition available. + Details
Name: | kmb_ScheduleOfAverageCommonSharesOutstandingBasicAndDilutedTextBlock
Namespace Prefix: | kmb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration